WO2007027134A1 - 7-(2-AMINO-1-HYDROXY-ETHYL)-4-HYDROXYBENZOTHIAZOL-2(3H)-ONE-DERIVATIVES AS β2 ADRENOCEPTOR AGONISTS - Google Patents
7-(2-AMINO-1-HYDROXY-ETHYL)-4-HYDROXYBENZOTHIAZOL-2(3H)-ONE-DERIVATIVES AS β2 ADRENOCEPTOR AGONISTS Download PDFInfo
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- WO2007027134A1 WO2007027134A1 PCT/SE2006/000981 SE2006000981W WO2007027134A1 WO 2007027134 A1 WO2007027134 A1 WO 2007027134A1 SE 2006000981 W SE2006000981 W SE 2006000981W WO 2007027134 A1 WO2007027134 A1 WO 2007027134A1
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- 0 *Oc(ccc(C(CN)O)c1S2)c1NC2=O Chemical compound *Oc(ccc(C(CN)O)c1S2)c1NC2=O 0.000 description 3
- OBYXJOOUWHKXGH-FZCLLLDFSA-N CC(CNCCCSCCNC[C@@H](c(c(S1)c2NC1=O)ccc2O)O)c1ccccc1 Chemical compound CC(CNCCCSCCNC[C@@H](c(c(S1)c2NC1=O)ccc2O)O)c1ccccc1 OBYXJOOUWHKXGH-FZCLLLDFSA-N 0.000 description 1
- KRCTVIVPCMLXBB-FQEVSTJZSA-N O[C@@H](CNCCCSCCCOCCc1ccccc1)c(c(S1)c2NC1=O)ccc2O Chemical compound O[C@@H](CNCCCSCCCOCCc1ccccc1)c(c(S1)c2NC1=O)ccc2O KRCTVIVPCMLXBB-FQEVSTJZSA-N 0.000 description 1
- GIBUZEJUJJDWTJ-IBGZPJMESA-N O[C@@H](CNCCCSCCOCCc1ccccc1)c(c(S1)c2NC1=O)ccc2O Chemical compound O[C@@H](CNCCCSCCOCCc1ccccc1)c(c(S1)c2NC1=O)ccc2O GIBUZEJUJJDWTJ-IBGZPJMESA-N 0.000 description 1
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- C07D277/00—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings
- C07D277/60—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings condensed with carbocyclic rings or ring systems
- C07D277/62—Benzothiazoles
- C07D277/68—Benzothiazoles with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached in position 2
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- A61K31/41—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with two or more ring hetero atoms, at least one of which being nitrogen, e.g. tetrazole
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Definitions
- the present invention relates to benzothiazolone derivatives, processes for their preparation, pharmaceutical compositions containing them and their use in therapy.
- Adreneoceptors are a group of G-protein coupled receptors divided into two major subfamilies, ⁇ and ⁇ . These sub-families are further divided into sub-types of which the ⁇ subfamily has at least 3 members: ⁇ l, ⁇ 2 and ⁇ 3. ⁇ 2 adrenoceptors (henceforth referred to as ⁇ 2 receptors) are mainly expressed on smooth muscle cells.
- ⁇ 2 agonists act as functional antagonists to all bronchoconstrictor substances such as the naturally-occurring histamine and acetylcholine as well as the experimental substances methacholine and carbachol.
- ⁇ 2 s agonists are widely used to treat airways diseases including asthma and chronic obstructive pulmonary disease (COPD), and this has been extensively reviewed in the literature and incorporated into national guidelines for the treatment of these diseases (British Guideline on the Management of Asthma, NICE guideline No. 12 on the Management of COPD).
- 0 ⁇ 2 agonists are classed either as short-acting or long-acting.
- Short-acting ⁇ 2 agonists are classed either as short-acting or long-acting.
- SABAs such as salbutamol
- LABAs Long-acting ⁇ 2 agonists
- LABAs Long-acting ⁇ 2 agonists
- They are particularly effective when administered in combination with inhaled corticosteroids. This benefit is not seen when inhaled corticosteroids are combined with SABAs (Kips and Pauwels, Am. J. Respir. Crit. Care Med., 2001, 164, 923-932).
- LABAs are recommended as add-on therapy to patients already receiving inhaled corticosteroids for asthma to reduce o nocturnal awakening and reduce the incidence of exacerbations of the disease.
- Corticosteroids and LABAs are conveniently co-administered in a single inhaler to improve patient compliance.
- Salmeterol a commonly used LABA
- Salmeterol also has a long onset of action which precludes its use as both a rescue and a maintenance therapy.
- All current LABAs are administered twice daily and there is a medical need for once daily treatments to improve treatment and patient compliance. Such once daily compounds, co-administered with corticosteroids, will become the mainstay of asthma treatment (Barnes, Nature Reviews, 2004, 3, 831-844).
- Benzothiazolone derivatives having dual ⁇ 2 receptor and dopamine (D2) receptor agonist properties are known from WO 92/08708, WO 93/23385, WO 93/24473, WO 97/10227 and WO 97/23470.
- D2 Receptor agonists are disclosed in WO 2004/071388.
- R 1 represents hydrogen
- each of R 2 , R 3 , R 4 , R 5 , R 4 and R 5' independently represents hydrogen or Ci-C 6 alkyl
- x is 0 or 1 ;
- A represents oxygen, sulphur, S(O) or S(O) 2 ;
- D represents oxygen, sulphur or NR 6 ;
- W is a bond or CR 6a R 6b ;
- n is an integer from O to 2;
- R 6 represents hydrogen, C 1 -C 6 alkyl, C 1 -C 6 alkoxycarbonyl or arylCi-C 6 alkyl;
- Y is a bond, CR 2e R 2f or CR 2g R 2h CR 2k R 2m ;
- R 2a , R 2b , R 2c , R 2d , R 2e , R 2f , R 2g , R 2h , R 2k , R 2ra , R 6a and R 6b are, independently, hydrogen or Ci-C 6 alkyl;
- R 7a is hydrogen, C 1 -C 6 alkyl or NHR 7b ;
- R 7b is hydrogen, C 1 -C 6 alkyl, Ci-C 6 alkoxycarbonyl or arylCi-C 6 alkyl;
- R 7 represents a 5- to 14-membered aromatic or heteroaromatic ring system optionally substituted by halogen, trifluoromethyl, hydroxyl, carboxyl, Ci-C 6 alkyl (optionally substituted by -NR 10 R 1 *), C 1 -C 6 alkoxy (optionally substituted by -NR 12 R 13 ), Ci-C 6 alkoxycarbonyl, -NR 14 R 15 , C 1 -C 6 alkylcarbonylamino, Ci-C 6 alkylsulphonylamino, phenylsulphonylamino, -C(O)NHR 16 , -SO 2 NHR 17 , C 0 -C 6 alkyl-R 18 , or a phenyl or 5- to 6-membered heteroaromatic ring (each of which is optionally substituted by halogen, trifluoromethyl, hydroxyl, C 1 -C 6 alkyl, Ci-C 6 alkoxy or -NR 21 R 22
- R 10 , R 11 , R 12 , R 13 , R 14 and R 15 each independently represent hydrogen or C 1 -C 6 alkyl
- R 16 represents hydrogen, C 1 -C 6 alkyl, phenyl-Co-C 6 alkyl or C 2 -C 6 alkylene- NR 19 R 20 ; either R 19 and R 20 each independently represent hydrogen or C 1 -C 6 alkyl, or R 19 and R 20 together with the nitrogen atom to which they are attached form a 4- to 6-membered saturated heterocyclic ring optionally comprising a further ring heteroatom selected from nitrogen and oxygen;
- R 17 represents hydrogen, Ci-C 6 alkyl, phenyl-C 0 -C 6 alkyl or C 2 -C 6 alkylene- NR 23 R 24 ; either R 23 and R 2 each independently represent hydrogen or Ci-C 6 alkyl, or R 23 and
- R 24 together with the nitrogen atom to which they are attached form a 4- to 6-membered saturated heterocyclic ring optionally comprising a further ring heteroatom selected from nitrogen and oxygen;
- R 18 represents a saturated, 5- or 6-membered nitrogen-containing ring; and R 21 and R 22 each independently represent hydrogen or C 1 -C 6 alkyl; or a pharmaceutically acceptable salt thereof.
- R 7 is a 5- to 14-membered aromatic or heteroaromatic ring system optionally substituted by one or more substituents independently selected from halogen, trifluoromethyl, hydroxyl, carboxyl, C 1 -C 6 alkyl (optionally substituted by -NR 10 R 11 ), Ci-C 6 alkoxy (optionally substituted by -NR 12 R 13 ), Ci-C 6 alkoxycarbonyl, -NR 14 R 15 , Ci-C 6 alkylcarbonylamino, Ci-C 6 alkylsulphonylamino, phenylsulphonylamino, -C(O)NHR 16 , -SO 2 NHR 17 , C 0 -C 6 alkyl-R , and a phenyl or 5- to 6-membered heteroaromatic ring (each of which may be optionally substituted by one or more substituents independently selected from halogen, trifluoromethyl,
- an alkyl substituent group or an alkyl moiety in a substituent group may be linear or branched.
- Examples of Ci-C 6 alkyl groups/moieties include methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, tert-butyl, n-pentyl and n-hexyl.
- an alkylene group or an alkylene moiety in a substituent group may be linear or branched.
- Cj-C 6 alkylene groups/moieties include methylene, ethylene, n-propylene, n-butylene, n-pentylene, n-hexylene, 1-methylethylene, 2-methylethylene, 1,2-dimethylethylene, 1-ethylethylene, 2-ethylethylene, 1-, 2- or 3-methylpropylene and 1-, 2- or 3-ethylpropylene.
- An aryl group or an aryl moiety in a substituent group refers to a mono or fused bicyclic aromatic ring having from 6 to 10 carbon atoms.
- Monocyclic rings preferably have 6 members and bicyclic rings preferably have 8, 9 or 10 membered ring structures.
- Exemplary aryl groups/moieties include phenyl and naphthyl.
- the compounds of the invention are selective ⁇ 2 receptor agonists and possess properties that make them more suitable for once-a-day administration.
- Compounds have been optimised to have appropriate duration in an in vitro guinea pig trachea model, or mammalian model such as a histamine-challenged guinea pig.
- the compounds also have advantageous pharmacokinetic half lives in mammalian systems.
- the compounds of the invention are at least 10-fold more potent at the ⁇ 2 receptor compared to the ⁇ l, ⁇ l, or dopamine (D2) receptors.
- the compounds are also considered to have a fast onset of action that is the time interval between administration of a compound of the invention to a patient and the compound providing symptomatic relief. Onset can be predicted in vitro using isolated trachea from guinea pig or human.
- the present invention provides a compound of formula (I):
- R 1 represents hydrogen; each of R 2 , R 3 , R 4 , R 5 , R 4' and R 5 independently represents hydrogen or C 1 -C 6 alkyl; x is 0 or 1 ; A represents oxygen, sulphur, S(O) or S(O) 2 ; D represents oxygen, sulphur or NR 6 ;
- W is a bond or CR 6a R 6b ; n is an integer from 0 to 2;
- R 6 represents hydrogen, C 1 -C 6 alkyl, C 1 -C 6 alkoxycarbonyl or arylCi-C 6 alkyl;
- Y is a bond, CR 2e R 2f or CR 2g R 2h CR 2k R 2ra ;
- R 2a , R 2b , R 2c , R 2d , R 2e , R 2f , R 2g , R 2h , R 2k , R 2m , R 6a and R 6b are all hydrogen;
- R 7a is hydrogen
- R 7 represents a 6- to 14-membered aromatic or heteroaromatic ring system optionally substituted by one or more substituents independently selected from halogen, trifluoromethyl, hydroxyl, carboxyl, C 1 -C 6 alkyl (optionally substituted by at least one -NR 10 R 11 ), Ci-C 6 alkoxy (optionally substituted by at least one -NR 12 R 13 ), C 1 -C 6 alkoxycarbonyl, -NR 14 R 15 , C 1 -C 6 alkylcarbonylamino, C 1 -C 6 alkylsulphonylamino, phenylsulphonylamino, -C(O)NHR 16 , -SO 2 NHR 17 , C 0 -C 6 alkyl-R 18 , and a phenyl or 5- to 6-membered heteroaromatic ring (each of which may be optionally substituted by one or more substituents independently selected from halogen, trifluoromethyl,
- R 10 , R 11 , R 12 , R 13 , R 14 and R 15 each independently represent hydrogen or C 1 -C 6 alkyl
- R 16 represents hydrogen, Ci-C 6 alkyl, phenyl-C 0 -C 6 alkyl or C 2 -C 6 alkylene- NR 19 R 20 ; either R 19 and R 20 each independently represent hydrogen or Ci-C 6 alkyl, or R 19 and
- R 20 together with the nitrogen atom to which they are attached form a 4- to 6-membered saturated heterocyclic ring optionally comprising a further ring heteroatom selected from nitrogen and oxygen;
- R 17 represents hydrogen, C 1 -C 6 alkyl, phenyl-C 0 -C 6 alkyl or C 2 -C 6 alkylene-
- R and R each independently represent hydrogen or Ci- /C ⁇ 6 a «1lk1 ⁇ y.1l, o __r ⁇ R»23 and R 24 together with the nitrogen atom to which they are attached form a 4- to 6-membered saturated heterocyclic ring optionally comprising a further ring heteroatom selected from nitrogen and oxygen;
- R represents a saturated, 5- or 6-membered nitrogen-containing ring;
- R 21 and R 22 each independently represent hydrogen or Ci-C 6 alkyl; or a pharmaceutically acceptable salt thereof.
- each of R 2 , R 3 , R 4 , R 5 and, if present, R 4 and R 5 independently represents hydrogen or Cj-C 6 (for example Ci-C 4 (such as Ci-C 2 )) alkyl.
- each of R 2 , R 3 , R 4 , R 5 and, if present, R 4 and R 5 represents hydrogen.
- n 0, 1 or 2 and is, for example, 1 or 2.
- A is oxygen, sulphur or S(O) 2 .
- A represents oxygen
- A represents sulphur
- A represents S(O) 2 .
- D represents oxygen
- D represents NR 6 .
- D is NR 6 and A is sulphur; wherein R is as defined above (for example R 6 is hydrogen or Ci-C 6 alkyl).
- D and A are not both oxygen.
- Y is a bond or CR R , wherein R and R are both hydrogen.
- n is 0 and W is CR 6a R 6b , wherein R 6a and R 6b are, independently, hydrogen or Ci -4 alkyl (for example methyl).
- R 6a and R 6b are both hydrogen.
- n is 1 or 2 and W is CR 6a R 6b , wherein R 6a and R 6b are, independently, hydrogen or C 1-4 alkyl (for example methyl). For example R 6a and R 6b are both hydrogen.
- R 6 represents hydrogen; C 1 -C 6 , or Ci-C 4 , or Ci-C 2 alkyl; Ci-C 6 , or Ci-C 4 , or Ci-C 2 alkoxycarbonyl; or arylCi-C ⁇ , or Ci-C 4 , or Ci-C 2 alkyl.
- R 6 represents hydrogen; Ci-C 4 or Ci-C 2 alkyl; Ci-C 4 or Ci-C 2 alkoxycarbonyl; phenylCi-C4 or C 1 -C 2 alkyl; or naphthylCi-C 4 or Ci-C 2 alkyl.
- R 6 represents hydrogen, Ci-C 2 alkyl or C 1 -C 4 alkoxycarbonyl.
- R 7 represents a 5- to 14-membered (5-, 6-, 7-, 8-, 9-, 10-, H-, 12-, 13- or 14-membered) ⁇ for example 6- to 14-membered (6-, 7-, 8-, 9-, 10-, H-, 12-, 13- or 14-membered) ⁇ aromatic or heteroaromatic ring system optionally substituted by halogen (e.g.
- Ci-C 6 , or Ci-C 4 , or Ci-C 2 alkyl optionally substituted by (for example by none, one or two) -NR 10 R 11 ), Ci-C 6 , or Ci-C 4 , or Ci-C 2 alkoxy (optionally substituted by (for example by none, one or two) -NR 12 R 13 ), Ci-C 6 , or C 1 -C 4 , or Ci-C 2 alkoxycarbonyl, -NR 14 R 15 , C 1 -C 6 , or Ci-C 4 , or Ci-C 2 alkylcarbonylamino, Ci-C 6 , or Ci-C 4 , or C 1 -C 2 alkylsulphonylamino, phenylsulphonylamino, -C(O)NHR 16 , -SO 2 NHR 17 , C 0 -C 6 ,
- R 7 represents a 5- to 14- membered (5-, 6-, 7-, 8-, 9-, 10-, 11-, 12-, 13- or 14-membered) ⁇ for example 6- to 14- membered (6-, 7-, 8-, 9-, 10-, H-, 12-, 13- or 14-membered) ⁇ aromatic or heteroaromatic ring system optionally substituted by one or more (e.g. one, two, three or four) substituents independently selected from halogen (e.g.
- C 1 -C 2 alkoxy (optionally substituted by (for example by none, one or two) -NR 12 R 13 ), C 1 - C 6 , or C 1 -C 4 , or C 1 -C 2 alkoxycarbonyl, -NR 14 R 15 , C 1 -C 6 , or C 1 -C 4 , or C 1 -C 2 alkylcarbonylamino, C 1 -C 6 , or Ci-C 4 , or Ci-C 2 alkylsulphonylamino, phenylsulphonylamino, -C(O)NHR 16 , -SO 2 NHR 17 , C 0 -C 6 , or C 0 -C 4 , or C 0 -C 2 alkyl-R 18 , and a phenyl or 5- to 6-membered heteroaromatic ring (each of which may be optionally substituted by one or more, e.g.
- substituents independently selected from halogen such as fluorine, chlorine, bromine or iodine, trifluoromethyl, hydroxyl, C 1 -C 6 , or C 1 -C 4 , or C 1 -C 2 alkyl, Ci-C 6 , or C 1 -C 4 , or C 1 -C 2 alkoxy and -NR 21 R 22 ).
- halogen such as fluorine, chlorine, bromine or iodine, trifluoromethyl, hydroxyl, C 1 -C 6 , or C 1 -C 4 , or C 1 -C 2 alkyl, Ci-C 6 , or C 1 -C 4 , or C 1 -C 2 alkoxy and -NR 21 R 22 ).
- R 7 represents an optionally substituted 5- to 14-membered (for example 6- to 14- membered) heteroaromatic ring system
- the ring system comprises from 1 to 4 ring heteroatoms independently selected from nitrogen, oxygen and sulphur.
- a substituent in R 7 represents an optionally substituted 5- to 6-membered heteroaromatic ring
- the ring comprises from 1 to 4 ring heteroatoms independently selected from nitrogen, oxygen and sulphur.
- Examples of 5- to 14-membered (for example 6- to 14-membered) aromatic or heteroaromatic ring systems that may be used, which may be monocyclic or polycyclic (e.g. bicyclic or tricyclic) in which the two or more rings are fused, include one or more (in any combination) of phenyl, naphthyl, pyridinyl, pyridazinyl, pyrimidinyl, pyrazinyl, 1,3,5-triazinyl, 1,2,4-triazinyl, azepinyl, oxepinyl, thiepinyl, indenyl, benzofuranyl, isobenzofuranyl, benzothiophenyl, indolyl, isoindolyl, benzimidazolyl, indazolyl, benzisoxazolyl, benzoxazolyl, benzothiazolyl, quinolinyl, isoquinolinyl, qui
- R 7 represents a 6- to 10-membered aromatic or heteroaromatic ring system optionally substituted by halogen (e.g.
- R 7 represents a 6- to 10- membered aromatic or heteroaromatic ring system optionally substituted by one or more (e.g. one, two, three or four) substituents independently selected from halogen (e.g. fluorine, chlorine, bromine or iodine), trifluoromethyl, hydroxyl, carboxyl, C 1 -C 4 or C 1 -C 2 alkyl (optionally substituted by at least one, e.g. one or two, -NR 10 R 11 ), C 1 -C 4 or C 1 -C 2 alkoxy (optionally substituted by at least one, e.g.
- halogen e.g. fluorine, chlorine, bromine or iodine
- trifluoromethyl hydroxyl, carboxyl, C 1 -C 4 or C 1 -C 2 alkyl (optionally substituted by at least one, e.g. one or two, -NR 10 R 11 ), C 1 -C 4 or C 1 -C 2 al
- R 7 represents a 6- to 10-membered aromatic ring system optionally substituted by one or two substituents independently selected from halogen (e.g. fluorine, chlorine, bromine or iodine), trifluoromethyl, hydroxyl, carboxyl, C 1 -C 4 or C 1 -C 2 alkyl (optionally substituted by (for example by one or two) -NR 10 R 11 ), C 1 -C 4 or C 1 -C 2 alkoxy (optionally substituted by (for example by one or two) -NR 12 R 13 ), C 1 -C 4 or C 1 -C 2 alkoxycarbonyl, -NR 14 R 15 , C 1 -C 4 or C 1 -C 2 alkylcarbonylamino, C 1 -C 4 or C 1 -C 2 alkylsulphonylamino, phenylsulphonylamino, -C(O)NHR 16 , -SO 2 NHR 17 , C 0
- R 7 represents a 6- to 10- membered aromatic ring system optionally substituted by one or two substituents independently selected from halogen (e.g. fluorine, chlorine, bromine or iodine), trifluoromethyl, hydroxyl, caxboxyl, C 1 -C 4 or C 1 -C 2 alkyl (optionally substituted by at least one, e.g. one or two, -NR 10 R 11 ), C 1 -C 4 or C 1 -C 2 alkoxy (optionally substituted by at least one, e.g.
- halogen e.g. fluorine, chlorine, bromine or iodine
- trifluoromethyl hydroxyl
- caxboxyl C 1 -C 4 or C 1 -C 2 alkyl
- C 1 -C 4 or C 1 -C 2 alkyl optionally substituted by at least one, e.g. one or two, -NR 10 R 11
- R 7 represents a 6- to 10-membered aromatic ring system optionally substituted by (for example by one, two, three or four) halogen atoms.
- R 7 represents a 6- to 10- membered aromatic ring system optionally substituted by one or more (e.g. one, two, three or four) halogen atoms.
- R 10 , R 1 ⁇ R 12 , R 13 , R 14 and R 15 each independently represent hydrogen or C 1 -C 6 , or C 1 -C 4 , or C 1 -C 2 alkyl. It should be understood that if there is more than one group -NR 10 R 11 , the groups may be the same as, or different from, one another. Similar comments apply if there is more than one group -NR 12 R 13 .
- R 16 represents hydrogen; C 1 -C 6 , or C 1 -C 4 , or C 1 -C 2 alkyl; phenyl-Co-C ⁇ , or C 0 -C 4 , or C 0 -C 2 alkyl (e.g.
- R 19 and R 20 each independently represent hydrogen or C 1 - C 6 , or Cj-C 4 , or Ci-C 2 alkyl, or R 19 and R 20 together with the nitrogen atom to which they are attached form a 4- to 6-membered saturated heterocyclic ring optionally comprising a further ring heteroatom selected from nitrogen and oxygen such as azetidinyl, pyrrolidinyl, piperidinyl, piperazinyl or morpholinyl.
- R 17 represents hydrogen; Ci-C 6 , or Ci-C 4 , or CpC 2 alkyl; phenyl-C 0 -C 6 , or C 0 -C 4 , or C 0 -C 2 alkyl (e.g.
- R 23 and R 24 each independently represent hydrogen or Ci- C 6 , or Ci-C 4 , or Ci-C 2 alkyl, or R 23 and R 24 together with the nitrogen atom to which they are attached form a 4- to 6-membered saturated heterocyclic ring optionally comprising a further ring heteroatom selected from nitrogen and oxygen such as azetidinyl, pyrrolidinyl, piperidinyl, piperazinyl or morpholinyl.
- R represents a saturated, 5- or 6-membered nitrogen-containing ring, e.g. a ring containing one or two ring nitrogen atoms such as hydantoin.
- R 21 and R 22 each independently represent hydrogen or Cj-C 6 , or Ci-C 4 , or Ci-C 2 alkyl.
- R 7a is hydrogen or Ci-C 6 alkyl.
- R 7a is NHR 7b wherein R 7b is hydrogen, C 1 -C 4 alkyl or Cj-C 6 alkoxycarbonyl (for example hydrogen or Ci-C 6 alkoxycarbonyl).
- D is oxygen or sulphur (for example oxygen) and R 7a is NHR 7b , wheren R 7b is as defined above (for example it is hydrogen, Ci-C 4 alkyl or Ci-C 6 alkoxycarbonyl).
- the invention provides a compound of formula (I) wherein: x is 0 or 1 ;
- A represents oxygen, sulphur or S(O) 2 ;
- D represents oxygen or NR 6 ;
- Y is a bond or CR 2e R 2f ;
- W is CR 6a R 6b ;
- n is 0;
- R 1 , R 2 , R 3 , R 4 , R 5 , R 4' , R 5> , R 2a , R 2b , R 2c , R 2d , R 2e , R 2f , R 6a , R 6b and R 7a are all hydrogen;
- R 6 represents hydrogen, methyl or C 4 alkoxycarbonyl
- R 7 represents a 6- to 10-membered aromatic ring system optionally substituted by one or more halogen atoms; for example said compound of formula (I) can be in free-base form or in the form of a phamaceutically acceptable salt.
- the invention provides a compound of formula (I) wherein: x is 0 or 1 ;
- A represents oxygen, sulphur or S(O) 2 ;
- D represents oxygen or NR 6 ;
- Y is a bond or CH 2 ;
- W is CR 6a R 6b ; n is 0;
- R 1 , R 2 , R 3 , R 4 , R 5 , R 4' , R 5' , R 2a , R 2b , R 2 ° and R 2d are all hydrogen;
- R 6 represents hydrogen, C 1 -C 4 alkyl (for example methyl) or C 4 alkoxycarbonyl (such as t ⁇ t-butoxycarbonyl);
- R 6a and R 6b are, independently, hydrogen or C 1 -C 4 alkyl (for example methyl);
- R 7 represents a 6- to 10-membered aromatic ring system (such as phenyl or naphthyl) optionally substituted by halogen (for example chlorine or bromine), C 1 -C 4 alkyl (for example ethyl), C 1 -C 4 alkoxy (for example ethoxy) or CF 3 ; and, R 7a is hydrogen, C 1 -C 4 alkyl (for example methyl), NH(C 4 alkoxycarbonyl) (such as NH(tert-butoxycarbonyl)) or NH 2 ; or a pharmaceutically acceptable salt thereof (such as a hydrochloride, a hydrobromide or a trifluoroacetate; for example a hydrochloride or a hydrobromide).
- halogen for example chlorine or bromine
- C 1 -C 4 alkyl for example ethyl
- C 1 -C 4 alkoxy for example ethoxy
- CF 3 CF 3
- R 7a is hydrogen
- the invention provides a compound of formula (I) wherein: x is 0 or 1 ;
- A represents oxygen, sulphur or S(O) 2 ;
- D represents or NR 6 ;
- Y is a bond or CH 2 ;
- W is CR 6a R 6b ;
- n is O;
- R 1 , R 2 , R 3 , R 4 , R 5 , R 4' , R 5' , R 2a , R 2b , R 2c and R 2d are all hydrogen;
- R 6 represents hydrogen, C 1 -C 4 alkyl (for example methyl) or C 4 alkoxycarbonyl (such as tert-butoxycarbonyl); R 6a and R 6b are, independently, hydrogen or C 1 -C 4 alkyl (for example methyl); R 7 represents a 6- to 10-membered aromatic ring system (such as phenyl or naphthyl) optionally substituted by halogen (for example chlorine or bromine), C 1 -C 4 alkyl (for example ethyl), C 1 -C 4 alkoxy (for example ethoxy) or CF 3 ; and, R 7a is hydrogen, C 1 -C 4 alkyl (for example methyl), NH(C 4 alkoxycarbonyl) (such as NH(fert-butoxycarbonyl)) or NH 2 ; or a pharmaceutically acceptable salt thereof (such as a hydrochloride, a hydrobromide or a trifluoroacetate; for example a hydrochlor
- the invention provides a compound of formula (I) wherein: x is O or l;
- A represents oxygen, sulphur or S(O) 2 ;
- D represents oxygen or NR 6 , (for example oxygen) Y is a bond or CH 2 ;
- W is CR 6a R 6b ;
- n is 0;
- R 1 , R 2 , R 3 , R 4 , R 5 , R 4' , R 5' , R 2a , R 2b , R 2c and R 2d are all hydrogen;
- R 6 represents hydrogen, C 1 -C 4 alkyl (for example methyl) or C 4 alkoxycarbonyl (such as feff-butoxycarbonyl);
- R 6a and R 6b are, independently, hydrogen or C 1 -C 4 alkyl (for example methyl);
- R 7 represents a 6- to 10-membered aromatic ring system (such as phenyl or naphthyl) optionally substituted by halogen (for example chlorine or bromine), C 1 -C 4 alkyl (for example ethyl), C 1 -C 4 alkoxy (for example ethoxy) or CF 3 ;
- R 7a is NH(C 4 alkoxycarbonyl) (such as NH(tert-butoxycarbonyl)), NH(C 1 -C 4 alkyl) or NH 2 ; or a pharmaceutically acceptable salt thereof (such as a hydrochloride, a hydrobromide or a trifluoroacetate; for example a hydrochloride or a hydrobromide).
- the present invention further provides a process for the preparation of a compound of formula (I) or a pharmaceutically acceptable salt thereof as defined above which comprises,
- L 1 represents a leaving group (e.g. chlorine, bromine, iodine, methanesulfonate or p ⁇ r ⁇ -toluenesulfonate) and the other variables are as defined in formula (I), with a compound of formula (III) or a suitable salt thereof (e.g. hydrobromide or hydrochloride salt)
- a leaving group e.g. chlorine, bromine, iodine, methanesulfonate or p ⁇ r ⁇ -toluenesulfonate
- a compound of formula (III) or a suitable salt thereof e.g. hydrobromide or hydrochloride salt
- R 1 is as defined in formula (I), in the presence of a base (e.g. potassium carbonate, triethylamine or diisopropylethylamine); or
- a base e.g. potassium carbonate, triethylamine or diisopropylethylamine
- variables are as defined in formula (I), with a compound of formula (III) or a suitable salt thereof as defined in (a) above in the presence of a suitable reducing agent (e.g. sodium cyanoborohydride, sodium triacetoxyborohydride, or hydrogen in the presence of a palladium on carbon or palladium oxide catalyst); or
- a suitable reducing agent e.g. sodium cyanoborohydride, sodium triacetoxyborohydride, or hydrogen in the presence of a palladium on carbon or palladium oxide catalyst
- variables are as defined in formula (I) with a suitable reducing agent (e.g. lithium aluminium hydride or borane tetrahydrofuran complex);
- a suitable reducing agent e.g. lithium aluminium hydride or borane tetrahydrofuran complex
- the reaction may conveniently be carried out in an organic solvent such as iV,N-dimethylformamide, ethanol, n-butanol or dimethyl sulfoxide, at a temperature, for example, in the range from 25 to 100 0 C.
- organic solvent such as iV,N-dimethylformamide, ethanol, n-butanol or dimethyl sulfoxide
- reaction may conveniently be carried out in an organic solvent such as methanol, ethanol, dichloromethane, or ⁇ ,iV-dimethylformamide containing up to 10%w of water.
- organic solvent such as methanol, ethanol, dichloromethane, or ⁇ ,iV-dimethylformamide containing up to 10%w of water.
- reaction may conveniently be carried out in an organic solvent such as tetrahydrofuran or diethyl ether, at a temperature, for example, in the range from 0 to 6O 0 C.
- organic solvent such as tetrahydrofuran or diethyl ether
- variables are as defined in formula (II) with JV-bromosuccinimide and triphenylphosphine in a solvent, for example, dichloromethane at a temperature, for example, in the range from -10 to 2O 0 C.
- Compounds of formula (X) in which A represents oxygen or sulphur may be prepared by reacting a compound of formula (XI) wherein L represents a leaving group (e.g. chlorine, bromine, iodine, methanesulfonate or /> ⁇ ra-toluenesulfonate) and x, R 2 , R 3 , R 4 , R 5 , R 4 and R 5 are as defined in formula (X), with a compound of formula (XII)
- A' represents oxygen or sulphur and the other variables are as defined in formula (X), in the presence of a suitable base, for example, potassium carbonate, triethylamine, sodium hydride or diisopropylethylamine in an organic solvent, for example, tetrahydrofuran or dimethyl sulphoxide at a temperature, for example, in the range from 0 to 5O 0 C.
- a suitable base for example, potassium carbonate, triethylamine, sodium hydride or diisopropylethylamine
- organic solvent for example, tetrahydrofuran or dimethyl sulphoxide
- Compounds of formula (X) in which A represents sulphinyl or sulphonyl may be prepared by oxidising a corresponding compound of formula (X) in which A represents sulphur using, for example, r ⁇ et ⁇ -chloroperoxybenzoic acid or hydrogen peroxide, in an organic solvent, for example, methanol, ethanol or dichloromethane at a temperature, for example, in the range from 0 to 5O 0 C.
- R 30 represents hydrogen or benzyl
- a suitable reducing agent for example, hydrogen in the presence of a suitable catalyst, for example, 5-10%w palladium on carbon or platininum oxide at a pressure of 1-5 atmospheres.
- the reaction is conveniently carried out in an organic solvent such as ethanol, methanol, ethyl acetate or tetrahydrofuran.
- L 3 represents a leaving group (e.g. bromine, iodine, methanesulfonate o ⁇ para- toluenesulfonate) and R 30 is as defined in formula (XIII), with sodium azide in the presence of, for example, sodium iodide, lithium iodide or tetrabutyl ammonium iodide.
- the reaction is conveniently carried out in an organic solvent, for example dimethyl sulphoxide or N, N-dimethylformamide, at a temperature, for example, in the range from 10 to 8O 0 C, specifically from 50 to 7O 0 C.
- Compounds of formula (III) in which R 1 is hydrogen may be prepared by reacting a corresponding compound in which R 1 is replaced by benzyl with a suitable reducing agent, for example, hydrogen in the presence of a suitable catalyst, for example, 5-10%w palladium on carbon at a pressure of 1-5 atmospheres.
- a suitable reducing agent for example, hydrogen
- a suitable catalyst for example, 5-10%w palladium on carbon at a pressure of 1-5 atmospheres.
- the reaction is conveniently carried out in an organic solvent such as ethanol or methanol containing 5-10%w concentrated hydrochloric acid.
- L 4 represents a leaving group (e.g. chlorine or hydroxyl) and the other variables are as defined in formula (V), with a compound of formula (III) or a suitable salt thereof as defined above.
- reaction is conveniently carried out in the presence of a base, for example, triethylamine or diisopropylethylamine in an organic solvent, for example, dichloromethane at a temperature, for example, in the range from 0 to 25 0 C.
- a base for example, triethylamine or diisopropylethylamine in an organic solvent, for example, dichloromethane at a temperature, for example, in the range from 0 to 25 0 C.
- the reaction is conveniently carried out in the presence of an activating reagent, for example, carbonyldiimidazole or O-(7-azabenzotriazol-l-yl)- ⁇ iV' ⁇ '-tetramethyluroniumhexafluorophosphate (HATU), in an organic solvent, for example, N,N-dimethylformamide or dichloromethane, at a temperature, for example in the range from 0 to 6O 0 C.
- an activating reagent for example, carbonyldiimidazole or O-(7-azabenzotriazol-l-yl)- ⁇ iV' ⁇ '-tetramethyluroniumhexafluorophosphate (HATU)
- an organic solvent for example, N,N-dimethylformamide or dichloromethane
- the present invention further relates to novel intermediate compounds, for example, compounds of formula (HF)
- R represents hydrogen or benzyl
- Compounds of formula (I) can be converted into further compounds of formula (I) using standard procedures.
- a compound of formula (I) in which A represents sulphur can be converted to a corresponding compound of formula (I) in which A represents sulphonyl by an oxidation reaction using, for example, meta- chloroperoxybenzoic acid or hydrogen peroxide, in an organic solvent, for example, methanol, ethanol or dichloromethane at a temperature, for example, in the range from 0 to 5O 0 C.
- the compounds of formula (I) above may be converted to a pharmaceutically acceptable salt thereof, preferably an acid addition salt such as a hydrochloride, hydrobromide, trifluoroacetate, sulphate, phosphate, acetate, fumarate, maleate, tartrate, lactate, citrate, pyruvate, succinate, oxalate, methanesulphonate or jo-toluenesulphonate.
- an acid addition salt such as a hydrochloride, hydrobromide, trifluoroacetate, sulphate, phosphate, acetate, fumarate, maleate, tartrate, lactate, citrate, pyruvate, succinate, oxalate, methanesulphonate or jo-toluenesulphonate.
- the present invention provides a compound of formula (I) having (R) absolute configuration at the asterisked (*) carbon below.
- a compound of formula (I), or a pharmaceutically acceptable salt thereof can exist a a solvate (such as a hydrate).
- the present invention covers such solvates.
- respiratory tract obstructive diseases of the airways including: asthma, including bronchial, allergic, intrinsic, extrinsic, exercise-induced, drug-induced (including aspirin and NS AID-induced) and dust-induced asthma, both intermittent and persistent and of all severities, and other causes of airway hyper-responsiveness; chronic obstructive pulmonary disease (COPD); bronchitis, including infectious and eosinophilic bronchitis; emphysema; bronchiectasis; cystic fibrosis; sarcoidosis; farmer's lung and related diseases; hypersensitivity pneumonitis; lung fibrosis, including cryptogenic fibrosing alveolitis, idiopathic interstitial pneumonias, fibrosis complicating anti-neoplastic therapy and chronic infection, including tuberculosis and aspergillosis and other fungal infections; complications of lung transplantation; vasculitic and thrombotic disorders of the lung vascula
- osteoarthritides associated with or including osteoarthritis/osteoarthrosis both primary and secondary to, for example, congenital hip dysplasia; cervical and lumbar spondylitis, and low back and neck pain; osteoporosis; rheumatoid arthritis and Still's disease; seronegative spondyloarthropathies including ankylosing spondylitis, psoriatic arthritis, reactive arthritis and undifferentiated spondarthropathy; septic arthritis and other infection-related arthopathies and bone disorders such as tuberculosis, including Potts' disease and Poncet's syndrome; acute and chronic crystal-induced synovitis including urate gout, calcium pyrophosphate deposition disease, and calcium apatite related tendon, bursal and synovial inflammation; Behcet's disease; primary and secondary Sjogren's syndrome; systemic sclerosis and limited scleroderma; systemic lupus erythematos
- musculoskeletal disorders due to injury [for example sports injury] or disease: arthitides (for example rheumatoid arthritis, osteoarthritis, gout or crystal arthropathy), other joint disease (such as intervertebral disc degeneration or temporomandibular joint degeneration), bone remodelling disease (such as osteoporosis, Paget's disease or osteonecrosis), polychondritits, scleroderma, mixed connective tissue disorder, spondyloarthropathies or periodontal disease (such as periodontitis);
- arthitides for example rheumatoid arthritis, osteoarthritis, gout or crystal arthropathy
- other joint disease such as intervertebral disc degeneration or temporomandibular joint degeneration
- bone remodelling disease such as osteoporosis, Paget's disease or osteonecrosis
- polychondritits scleroderma
- mixed connective tissue disorder spondylo
- skin psoriasis, atopic dermatitis, contact dermatitis or other eczematous dermatoses, and delayed-type hypersensitivity reactions; phyto- and photodermatitis; seborrhoeic dermatitis, dermatitis herpetiformis, lichen planus, lichen sclerosus et atrophica, pyoderma gangrenosum, skin sarcoid, discoid lupus erythematosus, pemphigus, pemphigoid, epidermolysis bullosa, urticaria, angioedema, vasculitides, toxic erythemas, cutaneous eosinophilias, alopecia areata, male-pattern baldness, Sweet's syndrome, Weber-Christian syndrome, erythema multiforme; cellulitis, both infective and non-infective; panniculitis; cutaneous lymphomas, non-melanom
- eyes blepharitis; conjunctivitis, including perennial and vernal allergic conjunctivitis; ulceris; anterior and posterior uveitis; choroiditis; autoimmune; degenerative or inflammatory disorders affecting the retina; ophthalmitis including sympathetic ophthalmitis; sarcoidosis; infections including viral , fungal, and bacterial;
- gastrointestinal tract glossitis, gingivitis, periodontitis; oesophagitis, including reflux; eosinophilic gastro-enteritis, mastocytosis, Crohn's disease, colitis including ulcerative colitis, proctitis, pruritis ani; coeliac disease, irritable bowel syndrome, and food-related allergies which may have effects remote from the gut (for example migraine, rhinitis or eczema);
- abdominal hepatitis, including autoimmune, alcoholic and viral; fibrosis and cirrhosis of the liver; cholecystitis; pancreatitis, both acute and chronic; 8. genitourinary: nephritis including interstitial and glomerulonephritis; nephrotic syndrome; cystitis including acute and chronic (interstitial) cystitis and Hunner's ulcer; acute and chronic urethritis, prostatitis, epididymitis, oophoritis and salpingitis; vulvovaginitis; Peyronie's disease; erectile dysfunction (both male and female);
- allograft rejection acute and chronic following, for example, transplantation of kidney, heart, liver, lung, bone marrow, skin or cornea or following blood transfusion; or chronic graft versus host disease;
- CNS Alzheimer's disease and other dementing disorders including CJD and nvCJD; amyloidosis; multiple sclerosis and other demyelinating syndromes; cerebral atherosclerosis and vasculitis; temporal arteritis; myasthenia gravis; acute and chronic pain (acute, intermittent or persistent, whether of central or peripheral origin) including visceral pain, headache, migraine, trigeminal neuralgia, atypical facial pain, joint and bone pain, pain arising from cancer and tumor invasion, neuropathic pain syndromes including diabetic, post-herpetic, and HIV-associated neuropathies; neurosarcoidosis; central and peripheral nervous system complications of malignant, infectious or autoimmune processes; 11.
- cardiovascular atherosclerosis, affecting the coronary and peripheral circulation; pericarditis; myocarditis , inflammatory and auto-immune cardiomyopathies including myocardial sarcoid; ischaemic reperfusion injuries; endocarditis, valvulitis, and aortitis including infective (for example syphilitic); vasculitides; disorders of the proximal and peripheral veins including phlebitis and thrombosis, including deep vein thrombosis and complications of varicose veins;
- oncology treatment of common cancers including prostate, breast, lung, ovarian, pancreatic, bowel and colon, stomach, skin and brain tumors and malignancies affecting the bone marrow (including the leukaemias) and lymphoproliferative systems, such as Hodgkin's and non-Hodgkin's lymphoma; including the prevention and treatment of metastatic disease and tumour recurrences, and paraneoplastic syndromes; and,
- gastrointestinal tract Coeliac disease, proctitis, eosinopilic gastro-enteritis, mastocytosis, Crohn's disease, ulcerative colitis, microscopic colitis, indeterminant colitis, irritable bowel disorder, irritable bowel syndrome, non-inflammatory diarrhea, food- related allergies which have effects remote from the gut, e.g., migraine, rhinitis and eczema.
- the present invention provides a compound of formula (I) or a pharmaceutically- acceptable salt thereof as hereinbefore defined for use in therapy.
- the present invention provides the use of a compound of formula (I) or a pharmaceutically acceptable salt thereof as hereinbefore defined in the manufacture of a medicament for use in therapy.
- the invention provides the use of a compound of formula (I) or a pharmaceutically acceptable salt thereof as hereinbefore defined in the manufacture of a medicament for the treatment of human diseases or conditions in which modulation of ⁇ 2 adrenoreceptor activity is beneficial.
- the present invention provides a method of treating, or reducing the risk of, a disease or condition in which modulation of ⁇ 2 adrenoreceptor activity is beneficial which comprises administering to a patient in need thereof a therapeutically effective amount of a compound of formula (I) or a pharmaceutically acceptable salt thereof as hereinbefore defined.
- the term “therapy” also includes “prophylaxis” unless there are specific indications to the contrary.
- the terms “therapeutic” and “therapeutically” should be construed accordingly.
- Prophylaxis is expected to be particularly relevant to the treatment of persons who have suffered a previous episode of, or are otherwise considered to be at increased risk of, the disease or condition in question.
- Persons at risk of developing a particular disease or condition generally include those having a family history of the disease or condition, or those who have been identified by genetic testing or screening to be particularly susceptible to developing the disease or condition.
- the invention still further provides a method of treating, or reducing the risk of, an inflammatory disease or condition (including a reversible obstructive airways disease or condition) which comprises administering to a patient in need thereof a therapeutically effective amount of a compound of formula (I) or a pharmaceutically acceptable salt thereof as hereinbefore defined.
- the compounds of this invention may be used in the treatment of adult respiratory distress syndrome (ARDS), pulmonary emphysema, bronchitis, bronchiectasis, chronic obstructive pulmonary disease (COPD), asthma or rhinitis.
- ARDS adult respiratory distress syndrome
- COPD chronic obstructive pulmonary disease
- the daily dosage of the compound of the invention if inhaled, may be in the range from 0.05 micrograms per kilogram body weight ( ⁇ g/kg) to 100 micrograms per kilogram body weight ( ⁇ g/kg).
- the daily dosage of the compound of the invention may be in the range from 0.01 micrograms per kilogram body weight ( ⁇ g/kg) to 100 milligrams per kilogram body weight (mg/kg).
- the compounds of formula (I) and pharmaceutically acceptable salts thereof may be used on their own but will generally be administered in the form of a pharmaceutical composition in which the formula (I) compound/salt (active ingredient) is in association with a pharmaceutically acceptable adjuvant, diluent or carrier.
- a pharmaceutically acceptable adjuvant diluent or carrier.
- Conventional procedures for the selection and preparation of suitable pharmaceutical formulations are described in, for example, "Pharmaceuticals - The Science of Dosage Form Designs", M. E. Aulton, Churchill Livingstone, 1988.
- the pharmaceutical composition will preferably comprise from 0.05 to 99 %w (per cent by weight), more preferably from 0.05 to 80 %w, still more preferably from 0.10 to 70 %w, and even more preferably from 0.10 to 50 %w, of active ingredient, all percentages by weight being based on total composition.
- the present invention also provides a pharmaceutical composition
- a pharmaceutical composition comprising a compound of formula (I) or a pharmaceutically acceptable salt thereof as hereinbefore defined, in association with a pharmaceutically acceptable adjuvant, diluent or carrier.
- the invention further provides a process for the preparation of a pharmaceutical composition of the invention which comprises mixing a compound of formula (I) or a pharmaceutically acceptable salt thereof as hereinbefore defined with a pharmaceutically acceptable adjuvant, diluent or carrier.
- compositions may be administered topically (e.g. to the skin or to the lung and/or airways) in the form, e.g., of creams, solutions, suspensions, heptafluoroalkane (HFA) aerosols and dry powder formulations, for example, formulations in the inhaler device known as the Turbuhaler ® ; or systemically, e.g. by oral administration in the form of tablets, capsules, syrups, powders or granules; or by parenteral administration in the form of solutions or suspensions; or by subcutaneous administration; or by rectal administration in the form of suppositories; or transdermally.
- HFA heptafluoroalkane
- Dry powder formulations and pressurized HFA aerosols of the compounds of the invention may be administered by oral or nasal inhalation.
- the compound is desirably finely divided.
- the finely divided compound preferably has a mass median diameter of less than 10 ⁇ m, and may be suspended in a propellant mixture with the assistance of a dispersant, such as a Cs-C 20 fatty acid or salt thereof, (for example, oleic acid), a bile salt, a phospholipid, an alkyl saccharide, a perfluorinated or polyethoxylated surfactant, or other pharmaceutically acceptable dispersant.
- a dispersant such as a Cs-C 20 fatty acid or salt thereof, (for example, oleic acid), a bile salt, a phospholipid, an alkyl saccharide, a perfluorinated or polyethoxylated surfactant, or other pharmaceutically acceptable dispersant.
- the compounds of the invention may also be administered by means of a dry powder inhaler.
- the inhaler may be a single or a multi dose inhaler, and may be a breath actuated dry powder inhaler.
- a carrier substance for example, a mono-, di- or polysaccharide, a sugar alcohol, or another polyol.
- Suitable carriers are sugars, for example, lactose, glucose, raffmose, melezitose, lactitol, maltitol, trehalose, sucrose, mannitol; and starch.
- the finely divided compound may be coated by another substance.
- the powder mixture may also be dispensed into hard gelatine capsules, each containing the desired dose of the active compound.
- This spheronized powder may be filled into the drug reservoir of a multidose inhaler, for example, that known as the Turbuhaler ® in which a dosing unit meters the desired dose which is then inhaled by the patient.
- a multidose inhaler for example, that known as the Turbuhaler ® in which a dosing unit meters the desired dose which is then inhaled by the patient.
- the active ingredient with or without a carrier substance, is delivered to the patient.
- the compound of the invention may be admixed with an adjuvant or a carrier, for example, lactose, saccharose, sorbitol, mannitol; a starch, for example, potato starch, corn starch or amylopectin; a cellulose derivative; a binder, for example, gelatine or polyvinylpyrrolidone; and/or a lubricant, for example, magnesium stearate, calcium stearate, polyethylene glycol, a wax, paraffin, and the like, and then compressed into tablets.
- an adjuvant or a carrier for example, lactose, saccharose, sorbitol, mannitol
- a starch for example, potato starch, corn starch or amylopectin
- a cellulose derivative for example, gelatine or polyvinylpyrrolidone
- a lubricant for example, magnesium stearate, calcium stearate, polyethylene glycol, a wax
- the cores may be coated with a concentrated sugar solution which may contain, for example, gum arabic, gelatine, talcum and titanium dioxide.
- a concentrated sugar solution which may contain, for example, gum arabic, gelatine, talcum and titanium dioxide.
- the tablet may be coated with a suitable polymer dissolved in a readily volatile organic solvent.
- the compound of the invention may be admixed with, for example, a vegetable oil or polyethylene glycol.
- Hard gelatine capsules may contain granules of the compound using either the above-mentioned excipients for tablets.
- liquid or semisolid formulations of the compound of the invention may be filled into hard gelatine capsules.
- Liquid preparations for oral application may be in the form of syrups or suspensions, for example, solutions containing the compound of the invention, the balance being sugar and a mixture of ethanol, water, glycerol and propylene glycol.
- Such liquid preparations may contain colouring agents, flavouring agents, saccharine and/or carboxymethylcellulose as a thickening agent or other excipients known to those skilled in art.
- the compounds of the invention may also be administered in conjunction with other compounds used for the treatment of the above conditions.
- the invention therefore further relates to combination therapies wherein a compound of the invention, or a pharmaceutically acceptable salt thereof, or a pharmaceutical composition or formulation comprising a compound of the invention, is administered concurrently or sequentially or as a combined preparation with another therapeutic agent or agents, for the treatment of one or more of the conditions listed.
- NSAIDs non-steroidal anti-inflammatory agents
- COX-I / COX-2 inhibitors whether applied topically or systemically
- piroxicam diclofenac
- propionic acids such as naproxen, flurbiprofen, fenoprofen, ketoprofen and ibuprofen
- fenamates such as mefenamic acid, indomethacin, sulindac, azapropazone, pyrazolones such as phenylbutazone, salicylates such as aspirin
- selective COX-2 inhibitors such as
- the present invention still further relates to the combination of a compound of the invention, or a pharmaceutically acceptable salt thereof, together with a cytokine or agonist or antagonist of cytokine function, (including agents which act on cytokine signalling pathways such as modulators of the SOCS system) including alpha-, beta-, and gamma- interferons; insulin-like growth factor type I (IGF-I); interleukins (IL) including ILl to 17, and interleukin antagonists or inhibitors such as anakinra; tumour necrosis factor alpha (TNF- ⁇ ) inhibitors such as anti-TNF monoclonal antibodies (for example infliximab; adalimumab, and CDP-870) and TNF receptor antagonists including immunoglobulin molecules (such as etanercept) and low-molecular-weight agents such as pentoxyfylline.
- a cytokine or agonist or antagonist of cytokine function including agents which act on cytokine signal
- the invention relates to a combination of a compound of the invention, or a pharmaceutically acceptable salt thereof, with a monoclonal antibody targeting B- Lymphocytes (such as CD20 (rituximab), MRA-aIL16R and T-Lymphocytes, CTLA4-Ig, HuMax 11-15).
- B- Lymphocytes such as CD20 (rituximab), MRA-aIL16R and T-Lymphocytes, CTLA4-Ig, HuMax 11-15.
- the present invention still further relates to the combination of a compound of the invention, or a pharmaceutically acceptable salt thereof, with a modulator of chemokine receptor function such as an antagonist of CCRl, CCR2, CCR2A, CCR2B, CCR3, CCR4, CCR5, CCR6, CCR7, CCR8, CCR9, CCRlO and CCRl 1 (for the C-C family); CXCRl, s CXCR2, CXCR3, CXCR4 and CXCR5 (for the C-X-C family) and CX 3 CRl for the C-X 3 - C family.
- a modulator of chemokine receptor function such as an antagonist of CCRl, CCR2, CCR2A, CCR2B, CCR3, CCR4, CCR5, CCR6, CCR7, CCR8, CCR9, CCRlO and CCRl 1 (for the C-C family); CXCRl, s CXCR2, CXCR3, CXCR4 and CXCR5 (for
- the present invention further relates to the combination of a compound of the invention, or a pharmaceutically acceptable salt thereof, with an inhibitor of matrix metalloprotease o (MMPs), i.e., the stromelysins, the collagenases, and the gelatinases, as well as aggrecanase; especially collagenase-1 (MMP-I), collagenase-2 (MMP-8), collagenase-3 (MMP-13), stromelysin-1 (MMP-3), stromelysin-2 (MMP-10), and stromelysin-3 (MMP- 11) and MMP-9 and MMP- 12, including agents such as doxycycline.
- MMPs matrix metalloprotease o
- the present invention still further relates to the combination of a compound of the invention, or a pharmaceutically acceptable salt thereof, and a leukotriene biosynthesis inhibitor, 5-lipoxygenase (5-LO) inhibitor or 5-lipoxygenase activating protein (FLAP) antagonist such as; zileuton; ABT-761; fenleuton; tepoxalin; Abbott-79175; Abbott-85761; a N-(5-substituted)-thiophene-2-ahcylsulfonamide; 2,6-di-tert-butylphenolhydrazones; a 0 methoxytetrahydropyrans such as Zeneca ZD-2138 ; the compound SB-210661 ; a pyridinyl-substituted 2-cyanonaphthalene compound such as L-739,010; a 2- cyanoquinoline compound such as L- 746,530; or an indole or quinoline compound such as MK
- the present invention further relates to the combination of a compound of the invention, or a pharmaceutically acceptable salt thereof, and a receptor antagonist for leukotrienes (LT) B4, LTC4, LTD4, and LTE4.
- a receptor antagonist for leukotrienes (LT) B4, LTC4, LTD4, and LTE4 selected from the group consisting of the phenothiazin-3-ls such as L-651,392; amidino compounds such as CGS-25019c; benzoxalamines such as ontazolast; benzenecarboximidamides such as BIIL 284/260; and compounds such as 0 zaf ⁇ rlukast, ablukast, montelukast, pranlukast, verlukast (MK-679), RG-12525, Ro-245913, iralukast (CGP 45715A), and BAY x 7195.
- LT leukotrienes
- the present invention still further relates to the combination of a compound of the invention, or a pharmaceutically acceptable salt thereof, and a phosphodiesterase (PDE) inhibitor such as a methylxanthanine including theophylline and aminophylline; a selective PDE isoenzyme inhibitor including a PDE4 inhibitor an inhibitor of the isoform PDE4D, or an inhibitor of PDE5.
- PDE phosphodiesterase
- the present invention further relates to the combination of a compound of the invention, or a pharmaceutically acceptable salt thereof, and a histamine type 1 receptor antagonist such as cetirizine, loratadine, desloratadine, fexofenadine, acrivastine, terfenadine, astemizole, azelastine, levocabastine, chlo ⁇ heniramine, promethazine, cyclizine, or mizolastine; applied orally, topically or parenterally.
- a histamine type 1 receptor antagonist such as cetirizine, loratadine, desloratadine, fexofenadine, acrivastine, terfenadine, astemizole, azelastine, levocabastine, chlo ⁇ heniramine, promethazine, cyclizine, or mizolastine
- the present invention still further relates to the combination of a compound of the invention, or a pharmaceutically acceptable salt thereof, and a proton pump inhibitor (such as omeprazole) or a gastroprotective histamine type 2 receptor antagonist.
- a proton pump inhibitor such as omeprazole
- a gastroprotective histamine type 2 receptor antagonist such as a gastroprotective histamine type 2 receptor antagonist.
- the present invention further relates to the combination of a compound of the invention, or a pharmaceutically acceptable salt thereof, and an antagonist of the histamine type 4 receptor.
- the present invention still further relates to the combination of a compound of the invention, or a pharmaceutically acceptable salt thereof, and an alpha- l/alpha-2 adrenoceptor agonist vasoconstrictor sympathomimetic agent, such as propylhexedrine, phenylephrine, phenylpropanolamine, ephedrine, pseudoephedrine, naphazoline hydrochloride, oxymetazoline hydrochloride, tetrahydrozoline hydrochloride, xylometazoline hydrochloride, tramazoline hydrochloride or ethylnorepinephrine hydrochloride.
- an alpha- l/alpha-2 adrenoceptor agonist vasoconstrictor sympathomimetic agent such as propylhexedrine, phenylephrine, phenylpropanolamine, ephedrine, pseudoephedrine, naphazoline hydrochlor
- the present invention further relates to the combination of a compound of the invention, or a pharmaceutically acceptable salt thereof, and an anticholinergic agents including muscarinic receptor (Ml, M2, and M3) antagonist such as atropine, hyoscine, glycopyrrrolate, ipratropium bromide, tiotropium bromide, oxitropium bromide, pirenzepine or telenzepine.
- Ml, M2, and M3 antagonist such as atropine, hyoscine, glycopyrrrolate, ipratropium bromide, tiotropium bromide, oxitropium bromide, pirenzepine or telenzepine.
- the present invention further relates to the combination of a compound of the invention, or a pharmaceutically acceptable salt thereof, and a chromone, such as sodium cromoglycate or nedocromil sodium.
- a chromone such as sodium cromoglycate or nedocromil sodium.
- the present invention still further relates to the combination of a compound of the invention, or a pharmaceutically acceptable salt thereof, with a glucocorticoid, such as flunisolide, triamcinolone acetonide, beclomethasone dipropionate, budesonide, fluticasone propionate, ciclesonide or mometasone furoate.
- a glucocorticoid such as flunisolide, triamcinolone acetonide, beclomethasone dipropionate, budesonide, fluticasone propionate, ciclesonide or mometasone furoate.
- the present invention further relates to the combination of a compound of the invention, or a pharmaceutically acceptable salt thereof, with an agent that modulates a nuclear hormone receptor such as PPARs.
- the present invention still further relates to the combination of a compound of the invention, or a pharmaceutically acceptable salt thereof, together with an immunoglobulin (Ig) or Ig preparation or an antagonist or antibody modulating Ig function such as anti-IgE (for example omalizumab).
- an immunoglobulin (Ig) or Ig preparation or an antagonist or antibody modulating Ig function such as anti-IgE (for example omalizumab).
- the present invention further relates to the combination of a compound of the invention, or a pharmaceutically acceptable salt thereof, and another systemic or topically-applied antiinflammatory agent, such as thalidomide or a derivative thereof, a retinoid, dithranol or calcipotriol.
- another systemic or topically-applied antiinflammatory agent such as thalidomide or a derivative thereof, a retinoid, dithranol or calcipotriol.
- the present invention still further relates to the combination of a compound of the invention, or a pharmaceutically acceptable salt thereof, and combinations of aminosalicylates and sulfapyridine such as sulfasalazine, mesalazine, balsalazide, and olsalazine; and immunomodulatory agents such as the thiopurines, and corticosteroids such as budesonide.
- aminosalicylates and sulfapyridine such as sulfasalazine, mesalazine, balsalazide, and olsalazine
- immunomodulatory agents such as the thiopurines, and corticosteroids such as budesonide.
- the present invention further relates to the combination of a compound of the invention, or a pharmaceutically acceptable salt thereof, together with an antibacterial agent such as a penicillin derivative, a tetracycline, a macrolide, a beta-lactam, a fluoroquinolone, metronidazole, an inhaled aminoglycoside; an antiviral agent including acyclovir, famciclovir, valaciclovir, ganciclovir, cidofovir, amantadine, rimantadine, ribavirin, zanamavir and oseltamavir; a protease inhibitor such as indinavir, nelf ⁇ navir, ritonavir, and saquinavir; a nucleoside reverse transcriptase inhibitor such as didanosine, lamivudine, stavudine, zalcitabine or zidovudine; or a non-nucleoside reverse transcript
- the present invention still further relates to the combination of a compound of the invention, or a pharmaceutically acceptable salt thereof, and a cardiovascular agent such as a calcium channel blocker, a beta-adrenoceptor blocker, an angiotensin-converting enzyme (ACE) inhibitor, an angiotensin-2 receptor antagonist; a lipid lowering agent such as a statin or a fibrate; a modulator of blood cell morphology such as pentoxyfylline; thrombolytic, or an anticoagulant such as a platelet aggregation inhibitor.
- a cardiovascular agent such as a calcium channel blocker, a beta-adrenoceptor blocker, an angiotensin-converting enzyme (ACE) inhibitor, an angiotensin-2 receptor antagonist
- ACE angiotensin-converting enzyme
- angiotensin-2 receptor antagonist angiotensin-2 receptor antagonist
- a lipid lowering agent such as a statin or a fibrate
- a modulator of blood cell morphology such as
- the present invention further relates to the combination of a compound of the invention, or a pharmaceutically acceptable salt thereof, and a CNS agent such as an antidepressant (such as sertraline), an anti-Parkinsonian drug (such as deprenyl, L-dopa, ropinirole, pramipexole, a MAOB inhibitor such as selegine and rasagiline, a comP inhibitor such as tasmar, an A-2 inhibitor, a dopamine reuptake inhibitor, an NMDA antagonist, a nicotine agonist, a dopamine agonist or an inhibitor of neuronal nitric oxide synthase), or an anti- Alzheimer's drug such as donepezil, rivastigmine, tacrine, a COX-2 inhibitor, propentofylline or metrifonate.
- a CNS agent such as an antidepressant (such as sertraline), an anti-Parkinsonian drug (such as deprenyl, L-dop
- the present invention still further relates to the combination of a compound of the invention, or a pharmaceutically acceptable salt thereof, and an agent for the treatment of acute or chronic pain, such as a centrally or peripherally-acting analgesic (for example an opioid or derivative thereof), carbamazepine, phenytoin, sodium valproate, amitryptiline or other anti-depressant agent-s, paracetamol, or a non-steroidal anti-inflammatory agent.
- the present invention further relates to the combination of a compound of the invention, or a pharmaceutically acceptable salt thereof, together with a parenterally or topically-applied (including inhaled) local anaesthetic agent such as lignocaine or a derivative thereof.
- a compound of the present invention, or a pharmaceutically acceptable salt thereof can also be used in combination with an anti-osteoporosis agent including a hormonal agent such as raloxifene, or a biphosphonate such as alendronate.
- the present invention still further relates to the combination of a compound of the invention, or a pharmaceutically acceptable salt thereof, together with a: (i) tryptase inhibitor; (ii) platelet activating factor (PAF) antagonist; (iii) interleukin converting enzyme (ICE) inhibitor; (iv) IMPDH inhibitor; (v) adhesion molecule inhibitors including VLA-4 antagonist; (vi) cathepsin; (vii) kinase inhibitor such as an inhibitor of tyrosine kinase (such as Btk, Itk, Jak3 or MAP, for example Gefitinib or Imatinib mesylate), a serine / threonine kinase (such as an inhibitor of a MAP kinase such as p38, JNK, protein kinase A, B or C, or IKK), or a kinase involved in cell cycle regulation (such as a cylin dependent kinase);
- -receptor antagonist for example colchicine
- anti-gout agent for example colchicine
- xanthine oxidase inhibitor for example allopurinol
- uricosuric agent for example probenecid, sulfinpyrazone or benzbromarone
- growth hormone secretagogue for example transforming growth factor (TGF ⁇ );
- PDGF platelet-derived growth factor
- fibroblast growth factor for example basic fibroblast growth factor (bFGF);
- GM-CSF granulocyte macrophage colony stimulating factor
- capsaicin cream for example tachykinin NK.subl.
- NKP-608C SB-233412 (talnetant) or D-4418
- elastase inhibitor such as UT-77 or ZD-0892
- TACE TNF-alpha converting enzyme inhibitor
- iNOS induced nitric oxide synthase
- chemoattractant receptor-homologous molecule expressed on TH2 cells such as a CRTH2 antagonist
- inhibitor of P38 agent modulating the function of Toll-like receptors (TLR),
- agent modulating the activity of purinergic receptors such as P2X7
- inhibitor of transcription factor activation such as NFkB, API, or STATS
- a non-steroidal glucocorticoid receptor agonist a non-steroidal glucocorticoid receptor agonist.
- a PDE4 inhibitor including an inhibitor of the isoform PDE4D
- glucocorticoid receptor agonist for example a non-steroidal glucocorticoid receptor agonist, or steroidal glucocorticoid receptor agonist (such as budesonide) ⁇ ;
- a muscarinic receptor antagonist for example a Ml, M2 or M3 antagonist, such as a selective M3 antagonist
- a muscarinic receptor antagonist such as ipratropium bromide, tiotropium bromide, oxitropium bromide, pirenzepine, telenzepine or a glycopyrromium bromide (such io as R,R-glycopyrronium bromide or a mixture of R 5 S- and S,R-glycopyrronium bromide);
- a modulator of chemokine receptor function such as a CCRl receptor antagonist
- a compound of the invention, or a pharmaceutically acceptable salt thereof, can also be used in combination with an existing therapeutic agent for the treatment of cancer, for example suitable agents include: (i) an antiproliferative/antineoplastic drug or a combination thereof, as used in medical
- oncology such as an alkylating agent (for example cis-platin, carboplatin, cyclophosphamide, nitrogen mustard, melphalan, chlorambucil, busulphan or a nitrosourea); an antimetabolite (for example an antifolate such as a fluoropyrimidine like 5-fluorouracil or tegafur, raltitrexed, methotrexate, cytosine arabinoside, hydroxyurea, gemcitabine or paclitaxel); an antitumour antibiotic (for example an anthracycline such as
- 2 5 adriamycin, bleomycin, doxorubicin, daunomycin, epirubicin, idarubicin, mitomycin-C, dactinomycin or mithramycin); an antimitotic agent (for example a vinca alkaloid such as vincristine, vinblastine, vindesine or vinorelbine, or a taxoid such as taxol or taxotere); or a topoisomerase inhibitor (for example an epipodophyllotoxin such as etoposide, teniposide, amsacrine, topotecan or a camptothecin);
- an antimitotic agent for example a vinca alkaloid such as vincristine, vinblastine, vindesine or vinorelbine, or a taxoid such as taxol or taxotere
- a topoisomerase inhibitor for example an epipodophyllotoxin such as etoposide, teniposide
- a cytostatic agent such as an antioestrogen (for example tamoxifen, toremifene, raloxifene, droloxifene or iodoxyfene), an oestrogen receptor down regulator (for example fulvestrant), an antiandrogen (for example bicalutamide, flutamide, nilutamide or cyproterone acetate), a LHRH antagonist or LHRH agonist (for example goserelin, leuprorelin or buserelin), a progestogen (for example megestrol acetate), an aromatase inhibitor (for example as anastrozole, letrozole, vorazole or exemestane) or an inhibitor of 5 ⁇ -reductase such as finasteride; (iii) an agent which inhibits cancer cell invasion (for example a metalloproteinase inhibitor like marimastat or an inhibitor of urokinase),
- an antiangiogenic agent such as one which inhibits the effects of vascular endothelial growth factor (for example the anti- vascular endothelial cell growth factor antibody bevacizumab, a compound disclosed in WO 97/22596, WO 97/30035, WO 97/32856 or WO 98/13354), or a compound that works by another mechanism (for example linomide, an inhibitor of integrin ⁇ v ⁇ 3 function or an angiostatin);
- vascular endothelial growth factor for example the anti- vascular endothelial cell growth factor antibody bevacizumab, a compound disclosed in WO 97/22596, WO 97/30035, WO 97/32856 or WO 98/13354
- a compound that works by another mechanism for example linomide, an inhibitor of integrin ⁇ v ⁇ 3 function or an angiostatin
- vascular damaging agent such as combretastatin A4, or a compound disclosed in WO 99/02166, WO 00/40529, WO 00/41669, WO 01/92224, WO 02/04434 or WO 02/08213;
- an agent used in antisense therapy for example one directed to one of the targets listed above, such as ISIS 2503, an anti-ras antisense;
- an agent used in a gene therapy approach for example approaches to replace aberrant genes such as aberrant p53 or aberrant BRCAl or BRCA2, GDEPT (gene-directed enzyme pro-drug therapy) approaches such as those using cytosine deaminase, thymidine kinase or a bacterial nitroreductase enzyme and approaches to increase patient tolerance to chemotherapy or radiotherapy such as multi-drug resistance gene therapy; or
- an agent used in an immunotherapeutic approach for example ex- vivo and in-vivo approaches to increase the immunogenicity of patient tumour cells, such as transfection with cytokines such as interleukin 2, interleukin 4 or granulocyte-macrophage colony stimulating factor, approaches to decrease T-cell anergy, approaches using transfected immune cells such as cytokine-transfected dendritic cells, approaches using cytokine-transfected tumour cell lines and approaches using anti-idiotypic antibodies.
- cytokines such as interleukin 2, interleukin 4 or granulocyte-macrophage colony stimulating factor
- Example 1 4-Hydroxy-7-((lR)-l-hydroxy-2- ⁇ [3-( ⁇ 2-[2-(l-naphthyl)ethoxy]ethyl ⁇ thio)propyl]- amino ⁇ ethyl)-l,3-benzothiazol-2(3i ⁇ )-one trifluoroacetate a) 3-[2-(2-Naphthalen-l-yl-ethoxy)-ethylsulfanyl]-propan-l-ol
- the solvent was evaporated off under a stream of nitrogen gas and the residue was purified by flash chromatography on silica gel eluting with 1% concentrated aqueous ammonia and 10% methanol in dichloromethane.
- the resultant product was further purified by reverse phase HPLC using a gradient elution of 5% to 75% acetonitrile in 0.2% aqueous trifluoroacetic acid to yield the titled compound (30 mg).
- the sub-titled compound was prepared from 7-[(li?)-2-amino-l-hydroxyethyl]-4- (benzyloxy)-l,3-benzothiazol-2(3H)-one hydrochloride (Example Id), 250 mg) and 3-(2- (2-phenylethoxy)ethoxy)-propanal (prepared as described in WO 93/24473, 157 mg) using the method of Example Ie).
- the crude product was purified by flash chromatography on silica gel eluting with 1% concentrated aqueous ammonia and 8% methanol in dichloromethane to yield the sub-titled compound (160 mg).
- the titled compound was prepared from 4-(benzyloxy)-7-[(li?)-l-hydroxy-2-( ⁇ 3-[2-(2- phenylethoxy)ethoxy]propyl ⁇ amino)ethyl]-l,3-benzothiazol-2(3H)-one (Example 3a), 160 mg) using the method of Example If).
- the crude product was purified by reverse phase ⁇ PLC and a gradient elution of 5% to 75% acetonitrile in 0.2% aqueous trifluoroacetic acid to yield the titled compound (40 mg).
- the reaction mixture was quenched by the addition of excess dilute aqueous hydrochloric acid.
- the mixture was then basif ⁇ ed by addition of saturated aqueous sodium bicarbonate and was extracted with ethyl acetate.
- the organic layer was washed with aqueous brine, dried over magnesium sulphate and the solvent was removed under reduced pressure.
- the crude product was purified by flash chromatography on silica gel eluting with 20% ethyl acetate in zs ⁇ -hexane to yield the sub-titled compound (2.52 g).
- the reaction mixture was then cooled to room temperature and treated with a 3 molar solution of aqueous sodium hydroxide (2.56 mL) followed by a 35% solution of aqueous hydrogen peroxide (2.28 mL).
- the mixture was stirred at room temperature for 1 hour and then treated with solid sodium chloride.
- the solvent was decanted off, dried and evaporated under reduced pressure.
- the crude product was purified by flash chromatography on silica gel eluting with 33% ethyl acetate in wo-hexane to yield the subtitled compound (1.48 g).
- the crude product was purified by flash chromatography on silica gel eluting with 1% concentrated aqueous ammonia and 10% methanol in dichloromethane. The product was dissolved in methanol and treated with excess hydrogen chloride in dioxane. The solvent was then evaporated under reduced pressure to yield the titled compound (40 mg).
- the sub-titled compound was prepared from 3-[2-(2-naphthalen-l-yl-ethoxy)-ethoxy]- propan-1-ol (Example 7e), 0.36 g) using the method of Example Ib).
- the crude product was purified by flash chromatography on silica gel eluting with 33% ethyl acetate in isohexane to yield the sub-titled compound (226 mg).
- the sub-titled compound was prepared from (2-allyloxy-ethyl)-benzene (647 mg) and 2- mercaptoethanol (312 mg) according to the method of Example Ia).
- the crude product was purified by flash chromatography on silica gel eluting with 33% ethyl acetate in ⁇ -hexane s to yield the sub-titled compound (652 mg).
- the sub-titled compound was prepared from 2-(3-phenethyloxy-propylsulfanyl)-ethanol (Example 8a), 0.65 g) according to the method of Example Ib).
- the crude product was purified by flash chromatography on silica gel eluting with 20% ethyl acetate in ⁇ o-hexane to yield the sub-titled compound (95 mg).
- the titled compound was prepared from 7-[(li?)-2-amino-l-hydroxyethyl]-4-hydroxy-l,3- benzothiazol-2(3H)-one hydrochloride (Example 4b), 100 mg) and (3-phenethyloxy- propylsulfanyl)-acetaldehyde (Example 8b), 91 mg) using the method of Example 5e).
- the crude product was purified by flash chromatography on silica gel eluting with 1% concentrated aqueous ammonia and 10% methanol in dichloromethane. The product was dissolved in methanol and treated with excess hydrogen chloride in 1,4-dioxane. The solvent was then evaporated under reduced pressure to yield the titled compound (40 mg).
- the sub-titled compound was prepared from 3-[2-(2-phenylethoxy)ethylthio]propanoic acid (1.11 g) according to the method of Example 7b).
- the crude product was purified by flash chromatography on silica gel, eluting with 50% ethyl acetate in dichloromethane to yield the sub-titled compound (0.7 g).
- 1 H NMR 400 MHz, CDCl 3 ) ⁇ 7.32-7.19 (m, 5H), 3.75-3.68 (m, 2H) 3 3.66-3.61 (m, 4H), 2.92-2.86 (m, 2H), 2.73-2.62 (m, 4H), 1.89-1.80 (m, 2H).
- the crude product was purified by flash chromatography on silica gel eluting with 1% concentrated aqueous ammonia and 10% methanol in dichloromethane. The product was dissolved in methanol and treated with excess hydrogen chloride in dioxane. The solvent was the evaporated under reduced pressure to yield the titled compound (50 mg).
- the sub-titled compound was prepared according to the method of Example Ia) using allyl-methyl-carbamic acid tert-butyl ester (5.97 g) and 2-mercaptoethanol (2.86 g).
- the crude product was purified by flash chromatography on silica gel eluting with 50% ethyl acetate in ⁇ -hexane to yield the sub-titled compound (5.1 g).
- reaction mixture was then partitioned between ethyl acetate (50 mL) and aqueous phosphate buffer (50 mL, pH 7.2), the organic layer was washed with aqueous brine and the solvent was evaporated under reduced pressure to yield the sub- titled compound (170 mg).
- the titled compound was prepared from 7-[(li?)-2-amino-l-hydroxyethyl]-4-hydroxy-l,3- benzothiazol-2(3H)-one hydrochloride (Example 4b), 100 mg) and [3-(methyl-phenethyl- amino)-propylsulfanyl]-acetaldehyde (Example 12d), 107 mg) according to the method of Example 5e).
- the crude product was purified by reverse phase ⁇ PLC using a gradient elution of 5% to 75% acetonitrile in 0.2% aqueous trifluoroacetic acid to yield the titled compound (32 mg).
- the sub-titled compound was prepared from tert-butyl allyl[2-(4- ethylphenyl)ethyl]carbamate (Example 13a), 3.3 g) according to the method of Example 10a).
- the crude product was purified flash chromatography on silica gel, eluting with 50% ethyl acetate in iso-hexane to yield the sub-title compound (3.91 g).
- the sub-titled compound was prepared from fert-Butyl [2-(4-ethylphenyl)ethyl] ⁇ 3-[(2- hydroxyethyl)thio]propyl ⁇ carbamate (Example 13b), 200 mg) according to the method of Example Ib).
- the crude product was purified flash chromatography on silica gel, eluting with 20% ethyl acetate in iso-hexane to yield the sub-title compound (106 mg).
- the titled compound was prepared from 7-[(li?)-2-Amino-l-hydroxyethyl]-4-hydroxy-l,3- benzothiazol-2(3H)-one hydrochloride (Example 4b), 76 mg) and tert-Butyl [2-(4- ethylphenyl)ethyl] ⁇ 3-[(2-oxoethyl)thio]propyl ⁇ carbamate (Example 13c), 106 mg) according to the method of Example 5e).
- the crude product was purified by flash chromatography on silica gel, eluting with 1% concentrated aqueous ammonia and 10% methanol in dichloromethane to yield the titled compound (95 mg).
- m/e 576 (M+H+, 100%)
- the titled compound was prepared from tert-butyl [2-(4-ethylphenyl)ethyl] ⁇ 3-[(2- ⁇ [(2R)- 2-hydroxy-2-(4-hydroxy-2-oxo-2,3-dihydro-l,3-benzothiazol-7- yl)ethyl]amino ⁇ ethyl)thio]propyl ⁇ carbamate (Example 13d), 95 mg) according to the method of Example 11.
- the residue was purified by reverse phase HPLC using a gradient elution of 5% to 75% acetonitrile in aqueous trifluoroacetic acid to yield the titled compound (28 mg)
- the sub-titled compound was prepared from tert-butyl [2-(4- ethoxyphenyl)ethyl]carbamate (5.0 g) according to the method of Example 13a).
- the crude product was purified flash chromatography on silica gel, eluting with 5% ethyl acetate in iso-hexane to yield the sub-titled compound (3.01 g).
- the sub-titled compound was prepared from tert-butyl allyl[2-(4- ethoxyphenyl)ethyl]carbamate (Example 15a), 3.3 g) according to the method of Example 10a).
- the crude product was purified flash chromatography on silica gel, eluting with 50% ethyl acetate in iso-hexane to yield the sub-titled compound (3.87 g).
- the sub-titled compound was prepared from tert-butyl [2-(4-ethoxyphenyl)ethyl] ⁇ 3-[(2- hydroxyethyl)thio]propyl ⁇ carbamate (Example 15b), 600 mg) according to the method of Example Ib).
- the crude product was purified flash chromatography on silica gel, eluting with 20% ethyl acetate in iso-hexane to yield the sub-titled compound (170 mg).
- the titled compound was prepared from 7-[(li?)-2-Amino-l-hydroxyethyl]-4-hydroxy-l,3- benzothiazol-2(3H)-one hydrochloride (Example 4b), 117 mg) and fert-Butyl [2-(4- ethylphenyl)ethyl] ⁇ 3-[(2-oxoethyl)thio]propyl ⁇ carbamate (Example 15c), 170 mg) according to the method of Example 5e).
- the crude product was purified by flash chromatography on silica gel, eluting with 1% concentrated aqueous ammonia and 10% methanol in dichloromethane to yield the titled compound (120 mg).
- the titled compound was prepared from tert-butyl [2-(4-ethoxyphenyl)ethyl] ⁇ 3-[(2- ⁇ [(2i?)-
- Example 15d 2-hydroxy-2-(4-hydroxy-2-oxo-2,3-dihydro-l,3-benzothiazol-7- yl)ethyl] amino ⁇ ethyl)thio]propyl ⁇ carbamate (Example 15d), 120 mg) according to the method of Example 11.
- the residue was purified by reverse phase HPLC using a gradient elution of 5% to 75% acetonitrile in aqueous trifluoroacetic acid to yield the titled compound (49 mg)
- Example 17a (trifluoromethyl)phenyl]ethyl ⁇ carbamate (Example 17a), 1.39 g) according to the method of Example 10a).
- the crude product was purified flash chromatography on silica gel, eluting with 50% ethyl acetate in iso-hexane to yield the sub-titled compound (1.23 g).
- the titled compound was prepared from tert-butyl ⁇ 3-[(2- ⁇ [(2i?)-2-hydroxy-2-(4-hydroxy- 2-oxo-2,3-dihydro-l,3-benzothiazol-7-yl)ethyl]amino ⁇ ethyl)tliio]propyl ⁇ ⁇ 2-[3- (trifluoromethyl)phenyl] ethyl ⁇ carbamate (Example 17d), 223 mg) according to the method of Example 11.
- the residue was purified by reverse phase HPLC using a gradient elution of 23% to 29% acetonitrile in aqueous trifluoroacetic acid to yield the titled compound (63 mg)
- the sub-titled compound was prepared from tert-butyl [2-(2-chlorophenyl)ethyl]carbamate (4.61 g) according to the method of Example 13a).
- the crude product was purified flash chromatography on silica gel, eluting with 5% ethyl acetate in iso-hexane to yield the subtitled compound (2.58 g).
- the sub-titled compound was prepared from tert-butyl allyl[2-(2- chlorophenyl)ethyl]carbamate (Example 19a), 2.00 g) according to the method of Example 10a).
- the crude product was purified flash chromatography on silica gel, eluting with 50% ethyl acetate in iso-hexane to yield the sub-titled compound (2.22 g).
- the sub-titled compound was prepared from tert-butyl [2-(2-chlorophenyl)ethyl] ⁇ 3-[(2- hydroxyethyl)thio]propyl ⁇ carbamate (Example 19b), 600 mg) according to the method of Example 17c).
- the crude product was purified flash chromatography on silica gel, eluting with 20% ethyl acetate in iso-hexane to yield the sub-titled compound (240 mg).
- the titled compound was prepared from 7-[(li?)-2-Amino-l-hydroxyethyl]-4-hydroxy-l,3- benzothiazol-2(3H)-one hydrochloride (Example 4b), 170 mg) and tert-butyl [2-(2- chlorophenyl)ethyl] ⁇ 3 -[(2-oxoethyl)thio]propyl ⁇ carbamate (Example 19c), 240 mg) according to the method of Example 5e).
- the crude product was purified by flash chromatography on silica gel, eluting with 1% concentrated aqueous ammonia and 10% methanol in dichloromethane to yield the titled compound (157 mg). m/e 582 (M+H+, 100%)
- the titled compound was prepared from fert-butyl [2-(2-chlorophenyl)ethyl] ⁇ 3-[(2- ⁇ [(2i?)- 2-hydroxy-2-(4-hydroxy-2-oxo-2,3-dihydro-l,3-benzothiazol-7-
- Example 19d 10 yl)ethyl]amino ⁇ ethyl)thio]propyl ⁇ carbamate (Example 19d), 157 mg) according to the method of Example 11.
- the residue was purified by reverse phase HPLC using a gradient elution of 23% to 25% acetonitrile in aqueous trifluoroacetic acid to yield the titled compound (150 mg) m/e 482 (M+H+, 100%)
- the sub-titled compound was prepared from fert-butyl [(liS)-2-(allyloxy)-l- phenylethyl] carbamate (1.00 g) according to the method of Example 10a).
- the crude product was purified flash chromatography on silica gel, eluting with 50% ethyl acetate in iso-hexane to yield the sub-titled compound (1.28 g).
- the sub-titled compound was prepared from tert-butyl ((15)-2- ⁇ 3-[(2- hydroxyethyl)thio]propoxy ⁇ -l-phenylethyl)carbamate (Example 21b), 540 mg) according to the method of Example 17c).
- the crude product was purified flash chromatography on
- the titled compound was prepared from 7-[(li?)-2-Amino-l-hydroxyethyl]-4-hydroxy-l,3- benzothiazol-2(3H)-one hydrochloride (Example 4b), 245 mg) and fert-butyl ((l>S)-2- ⁇ 3- [(2-oxoethyl)thio]propoxy ⁇ -l-phenylethyl)carbamate (Example 21b), 330 mg) according 2S to the method of Example 5e).
- the crude product was purified by flash chromatography on silica gel, eluting with 1% concentrated aqueous ammonia and 10% methanol in dichloromethane to yield the titled compound (207 mg).
- the titled compound was prepared from tert-butyl ((15)-2- ⁇ 3-[(2- ⁇ [(2i?)-2-hydroxy-2-(4- hydroxy-2-oxo-2,3-dihydro-l,3-benzothiazol-7-yl)ethyl]amino ⁇ ethyl)thio]propoxy ⁇ -l- phenylethyl)carbamate (Example 21c), 207 mg) according to the method of Example 11. The residue was purified by reverse phase HPLC using a gradient elution of 9% to 13% acetonitrile in aqueous trifluoroacetic acid to yield the titled compound (90 mg)
- the sub-titled compound was prepared from tert-butyl [(li?)-2-(allyloxy)-l- phenylethyl] carbamate (1.00 g) according to the method of Example 10a).
- the crude product was purified flash chromatography on silica gel, eluting with 50% ethyl acetate in iso-hexane to yield the sub-titled compound (1.23 g).
- the sub-titled compound was prepared from tert-butyl ((li?)-2- ⁇ 3-[(2- hydroxyethyl)thio]propoxy ⁇ -l-phenylethyl)carbamate (Example 23b), 500 mg) according to the method of Example 17c).
- the crude product was purified flash chromatography on silica gel, eluting with 20% ethyl acetate in iso-hexane to yield the sub-titled compound (143 mg).
- the titled compound was prepared from 7-[(li?)-2-Amino-l-hydroxyethyl]-4-hydroxy-l,3- benzothiazol-2(3H)-one hydrochloride (Example 4b), 106 mg) and tert-butyl ((li?)-2- ⁇ 3- [(2-oxoethyl)thio]propoxy ⁇ -l-phenylethyl)carbamate (Example 23b), 143 mg) according to the method of Example 5e).
- the crude product was purified by flash chromatography on silica gel, eluting with 1% concentrated aqueous ammonia and 10% methanol in dichloromethane to yield the titled compound (100 mg).
- the titled compound was prepared from tert-butyl ((li?)-2- ⁇ 3-[(2- ⁇ [(2i?)-2-hydroxy-2-(4- hydroxy-2-oxo-2,3-dihydro-l ,3-benzothiazol-7-yl)ethyl]amino ⁇ ethyl)thio]propoxy ⁇ -1 - phenylethyl)carbamate (Example 23c), 100 mg) according to the method of Example 11. The residue was purified by reverse phase HPLC using a gradient elution of 9% to 13% acetonitrile in aqueous trifluoroacetic acid to yield the titled compound (43 mg)
- the titled compound was prepared from fe ⁇ -t-butyl [2-(2-chlorophenyl)ethyl] ⁇ 3-[(2- ⁇ [(2i?)- 2-hydroxy-2-(4-hydroxy-2-oxo-2,3-dihydiO-l,3-benzothiazol-7- yl)ethyl]amino ⁇ ethyl)thio]propyl ⁇ carbamate (Example 19d), 5.93 g) according to the method of Example 11. The residue was purified by reverse phase HPLC using a gradient elution of 5% to 50% acetonitrile in aqueous ammonium acetate.
- the diacetate salt was dissolved in water, basified with aqueous ammonia, the supernatant decanted and the residue dried under high vacuum. It was dissolved in ethanol, acidified with 48% HBr, and the solid collected by filtration to yield the titled compound (4.53 g)
- the sub-titled compound was prepared from fer/-butyl ⁇ 2-[(3- hydroxypropyl)thio]ethyl ⁇ [(2i?)-2-phenylpropyl]carbamate (Example 26d), 400 mg) according to the method of Example 9b).
- the crude product was purified flash chromatography on silica gel, eluting with 20% ethyl acetate in iso-hexane to yield the 0 sub-titled compound (280 mg).
- the titled compound was prepared from 7-[(li?)-2-Amino-l-hydroxyethyl]-4-hydroxy-l,3- benzothiazol-2(3/J)-one hydrochloride (Example 4b), 150 mg) and tert-butyl ⁇ 2-[(3- oxopropyl)thio]ethyl ⁇ [(2i?)-2-phenylpropyl]carbamate (Example 26e), 201 mg) according 0 to the method of Example 5e).
- the crude product was purified by flash chromatography on silica gel, eluting with 1% concentrated aqueous ammonia and 10% methanol in dichloromethane to yield the titled compound (180 mg). m/e 562 (M+H+, 100%)
- the sub-titled compound was prepared from[(3-methoxy-3-oxopropyl)thio] acetic acid (1.17 g) and [(25)-2-phenylpropyl]amine (0.93 ml) according to the method of Example 26a) to yield the sub-titled compound (1.93 g).
- the sub-titled compound was prepared from 3-[(2-oxo-2- ⁇ [(2 ⁇ S)-2- phenylpropyl] amino ⁇ ethyl)thio]propanoic acid (Example 28b), 1.83g) according to the method of Example 26c) to yield the sub-titled compound (1.19 g).
- the sub-titled compound was prepared from 3-[(2 ⁇ [(2S)-2- phenylpropyl]amino ⁇ ethyl)thio]propan-l-ol (Example 28c), 1.19g) according to the method of Example 26d) to yield the sub-titled compound (1.66 g).
- the sub-titled compound was prepared from fez ⁇ -butyl ⁇ 2-[(3- hydroxypropyl)thio]ethyl ⁇ [(2S)-2-phenylpropyl]carbamate (Example 28d), 400 mg) according to the method of Example 9b).
- the crude product was purified flash chromatography on silica gel, eluting with 20% ethyl acetate in iso-hexane to yield the is sub-titled compound (280 mg).
- the titled compound was prepared from 7-[(li?)-2-Amino-l-hydroxyethyl]-4-hydroxy-l,3- benzothiazol-2(3H)-one hydrochloride (Example 4b), 150 mg) and fert-butyl ⁇ 2-[(3- oxopropyl)thio]ethyl ⁇ [(2 J S)-2-phenylpropyl]carbamate (Example De), 201 mg) according 25 to the method of Example 5e).
- the crude product was purified by flash chromatography on silica gel, eluting with 1% concentrated aqueous ammonia and 10% methanol in dichloromethane to yield the titled compound (180 mg).
- the titled compound was prepared from tert-butyl ⁇ 2-[(3- ⁇ [(2i?)-2-hydroxy-2-(4-hydroxy- 2-oxo-2,3-dihydro-l,3-benzothiazol-7-yl)ethyl]amino ⁇ propyl)thio]ethyl ⁇ [(25)-2- phenylpropyl] carbamate (Example 28f), 180 mg) according to the method of Example 27.
- the residue was purified by reverse phase HPLC using a gradient elution of 10% to 30% acetonitrile in aqueous trifluoroacetic acid to yield the titled compound (59 mg).
- the sub-titled compound was prepared from methyl 3-[(2- ⁇ [2-(2- chlorophenyl)ethyl]amino ⁇ -2-oxoethyl)thio]propanoate (Example 30a), 2.06g) according to the method of Example 26b) to yield the sub-titled compound (1.97 g).
- the sub-titled compound was prepared from 3-[(2- ⁇ [2-(2-chlorophenyl)ethyl]amino ⁇ -2- oxoethyl)thio]propanoic acid (Example 30b), 1.97g) according to the method of Example 26c) to yield the sub-titled compound (1.00 g).
- the sub-titled compound was prepared from fert-butyl [2-(2-chlorophenyl)ethyl] ⁇ 2-[(3- hydroxypropyl)thio]ethyl ⁇ carbamate (Example 3Od), 420 mg) according to the method of Example 9b).
- the crude product was purified flash chromatography on silica gel, eluting with 20% ethyl acetate in iso-hexane to yield the sub-titled compound (282 mg).
- the titled compound was prepared from 7-[(li?)-2-Amino-l-hydroxyethyl]-4-hydroxy-l,3- benzothiazol-2(3H)-one hydrochloride (Example 4b), 150 mg) and tert-butyl [2 ⁇ (2- chlorophenyl)ethyl] ⁇ 2-[(3-oxopropyl)thio]ethyl ⁇ carbamate (Example 30e), 212 mg) according to the method of Example 5e).
- the crude product was purified by flash chromatography on silica gel, eluting with 1% concentrated aqueous ammonia and 10% methanol in dichloromethane to yield the titled compound (176 mg).
- the titled compound was prepared from tert-butyl [2-(2-chlorophenyl)ethyl] ⁇ 2-[(3- ⁇ [(2i?)- 2-hydroxy-2-(4-hydroxy-2-oxo-2,3-dihydro-l,3-benzothiazol-7- yl)ethyl]amino ⁇ propyl)thio]ethyl ⁇ carbamate (Example 30f), 176 mg) according to the method of Example 27. The residue was dissolved in ethanol, acidified with 5% hydrobromic acid and concentrated in vacuo, not to dryness. It was triturated with acetonitrile and the solid collected by filtration to yield the titled compound (164 mg).
- the sub-titled compound was prepared from[(3-methoxy-3-oxopropyl)thio]acetic acid (1.17 g) and [2-(3-chlorophenyl)ethyl]amine (0.91 ml) according to the method of Example 26a) to yield the sub-titled compound (2.06 g).
- the sub-titled compound was prepared from methyl 3-[(2- ⁇ [2-(3- chlorophenyl)ethyl]amino ⁇ -2-oxoethyl)thio]propanoate (Example 32a), 2.06g) according to the method of Example 26b) to yield the sub-titled compound (1.97 g).
- the sub-titled compound was prepared from 3-[(2- ⁇ [2-(3- chlorophenyl)ethyl]amino ⁇ ethyl)thio]propan-l-ol (Example 32c), 1.33g) according to the s method of Example 26d) to yield the sub-titled compound (1.82 g).
- the sub-titled compound was prepared from tert-butyl [2-(3-chlorophenyl)ethyl] ⁇ 2-[(3- hydroxypropyl)thio] ethyl ⁇ carbamate (Example 32d), 420 mg) according to the method of Example 9b).
- the crude product was purified flash chromatography on silica gel, eluting s with 20% ethyl acetate in iso-hexane to yield the sub-titled compound (292 mg).
- the titled compound was prepared from tert-butyl [2-(3 ⁇ chlorophenyl)ethyl] ⁇ 2-[(3- ⁇ [(2i?)-
- the sub-titled compound was prepared from[(3-methoxy-3-oxopropyl)thio]acetic acid (1.17 g) and [2-(2,3-dichlorophenyl)ethyl]amine (1.25 g) according to the method of Example 26a) to yield the sub-titled compound (2.29 g).
- the sub-titled compound was prepared from 3-[(2- ⁇ [2-(2,3-dichlorophenyl)ethyl]amino ⁇ - 2-oxoethyl)thio]propanoic acid (Example 34b), 2.2Og) according to the method of Example 26c) to yield the sub-titled compound (1.16 g).
- the sub-titled compound was prepared from 3-[(2- ⁇ [2-(2,3- dichlorophenyl)ethyl]amino ⁇ ethyl)thio]propan-l-ol (Example 34c), 1.16g) according to the method of Example 26d) to yield the sub-titled compound (1.53 g).
- the sub-titled compound was prepared from tert-butyl [2-(2,3-dichlorophenyl)ethyl] ⁇ 2- [(3 -hydroxypropyl)thio] ethyl ⁇ carbamate (Example 34d), 460 mg) according to the method of Example 9b).
- the crude product was purified flash chromatography on silica gel, eluting with 20% ethyl acetate in iso-hexane to yield the sub-titled compound (340 mg).
- the titled compound was prepared from 7-[(li?)-2-Amino-l-hydroxyethyl]-4-hydroxy-l,3- benzothiazol-2(3H)-one hydrochloride (Example 4b), 150 mg) and tert-butyl [2-(2,3- dichlorophenyl)ethyl] ⁇ 2-[(3-oxopropyl)thio]ethyl ⁇ carbamate (Example 34e), 232 mg) according to the method of Example 5e).
- the crude product was purified by flash chromatography on silica gel, eluting with 1% concentrated aqueous ammonia and 10% methanol in dichloromethane to yield the titled compound (180 mg).
- the titled compound was prepared from tert-butyl [2-(2,3-dichlorophenyl)ethyl] ⁇ 2-[(3- ⁇ [(2i?)-2-hydroxy-2-(4-hydroxy-2-oxo-2,3-dihydro-l,3-benzothiazol-7- yl)ethyl]amino ⁇ propyl)thio]ethyl ⁇ carbamate (Example 34f), 180 mg) according to the method of Example C. The residue was dissolved in ethanol, acidified with 5% hydrobromic acid and concentrated in vacuo, not to dryness. It was triturated with acetonitrile and the solid collected by filtration to yield the titled compound (158 mg).
- the sub-titled compound was prepared from fert-butyl [2-(2,3- dichlorophenyl)ethyl] carbamate (5.4 g) according to the method of Example 13a).
- the crude product was purified flash chromatography on silica gel, eluting with 5% ethyl acetate in iso-hexane to yield the sub-titled compound (3.9 g).
- the sub-titled compound was prepared from fert-butyl allyl[2-(2,3- dichlorophenyl)ethyl]carbamate (Example 71a), 3.9 g) according to the method of Example 10a).
- the crude product was purified flash chromatography on silica gel, eluting with 50% ethyl acetate in iso-hexane to yield the sub-titled compound (2.1 g).
- the titled compound was prepared from 7-[(li?)-2-Amino-l-hydroxyethyl]-4-hydroxy-l,3- benzothiazol-2(3H)-one hydrochloride (Example 4b), 350 mg) and tert-butyl [2-(2,3- dichlorophenyl)ethyl] ⁇ 3 -[(2-oxoethyl)thio]propyl ⁇ carbamate (Example 37c), 540 mg) according to the method of Example 5e).
- the titled compound was prepared from tert-bntyl [2 ⁇ (2,3-dichlorophenyl)ethyl] ⁇ 3-[(2- ⁇ [(2i?)-2-hydroxy-2-(4-hydroxy-2-oxo-2,3-dihydro-l,3-benzothiazol-7- yl)ethyl]amino ⁇ ethyl)thio]propyl ⁇ carbamate (Example 37d), 190 mg) by dissolving it in dioxan (8 ml) and treating the solution with 4M HCl in dioxan (3 ml) with stirring at room
- the sub-titled compound was prepared from tert-butyl [2-(3-chlorophenyl)ethyl]carbamate (5.4 g) according to the method of Example 13a).
- the crude product was purified flash chromatography on silica gel, eluting with 5% ethyl acetate in iso-hexane to yield the sub- titled compound (3.9 g) .
- the sub-titled compound was prepared from tert-butyl allyl[2-(3- chlorophenyl)ethyl]carbamate (Example 39a), 3.9 g) according to the method of Example 10a.
- the crude product was purified flash chromatography on silica gel, eluting with 50% ethyl acetate in iso-hexane to yield the sub-titled compound (3.8 g).
- the titled compound was prepared from 7-[(li?)-2-Amino-l-hydroxyethyl]-4-hydroxy-l,3- benzothiazol-2(3H)-one hydrochloride (Example 4b, 540 mg) and tert-butyl [2-(3- chlorophenyl)ethyl] ⁇ 3-[(2-oxoethyl)thio]propyl ⁇ carbamate (Example 39c), 760 mg) according to the method of Example 5e).
- the titled compound was prepared from tert-butyl [2-(3-chlorophenyl)ethyl] ⁇ 3-[(2- ⁇ [(2i?)- 2-hydroxy-2-(4-hydroxy-2-oxo-2,3-dihydro-l,3-benzothiazol-7- yl)ethyl]amino ⁇ ethyl)thio]propyl ⁇ carbamate (Example 39d), 150 mg) by dissolving it in dioxan (6 ml) and treating the solution with 4M HCl in dioxan (2.5 ml) with stirring at
- the titled compound was prepared from fert-butyl [2-(3-chlorophenyl)ethyl] ⁇ 3-[(2- ⁇ [(2i?)- 2-hydroxy-2-(4-hydroxy-2-oxo-2,3-dihydro-l,3-benzothiazol-7- yl)ethyl]amino ⁇ ethyl)thio]propyl ⁇ carbamate (Example 39d), (50 mg) by dissolving it in acetonitrile (15 ml) and a solution of oxone (80 mg) in water (15 ml) added for the mixture to be stirred overnight at room temperature. The mixture was concentrated and extracted with ethyl acetate and the organic layer shaken with brine then dried with sodium sulfate to be concentrated to a solid which was recrystallised from acetonitrile (21 mg).
- the titled compound was prepared from tert-butyl [2-(3-chlorophenyl)ethyl] ⁇ 3-[(2- ⁇ [(2i?)- 2-hydroxy-2-(4-hydroxy-2-oxo-2,3-dihydro-l,3-benzothiazol-7- yl)ethyl]amino ⁇ ethyl)sulfonyl]propyl ⁇ carbamate (Example 4Id), 21 mg) by dissolving it in dioxan (1 ml) and treating the solution with 4M HCl in dioxan (0.4 ml) with stirring at room temperature for 18 hours. The resultant precipitate was collected by filtration and purified by reverse phase HPLC using gradient elution of 5 to 60% acetonitrile in aqueous ammonia to yield the titled compound (1.3 mg).
- the sub-titled compound was prepared from (+/ -)-ter t-butyl [2-(phenyl)propyl] carbamate (5.8 g) according to the method of Example 13a).
- the crude product was purified flash chromatography on silica gel, eluting with 5% ethyl acetate in iso-hexane to yield the subtitled compound (3.7 g).
- the sub-titled compound was prepared from (+/-)-tert-bnty ⁇ [2-(phenyl)propyl] ⁇ 3-[(2- hydroxyethyl)thio]propyl ⁇ carbamate (Example 43b), 700 mg) according to the method of Example 17c).
- the crude product was purified flash chromatography on silica gel, eluting with 20% ethyl acetate in iso-hexane to yield the sub-titled compound (300 mg).
- the titled compound was prepared from 7-[(li?)-2-Amino-l-hydroxyethyl]-4-hydroxy-l,3- benzothiazol-2(3H)-one hydrochloride (Example 4b), 220 mg) and (+/-)-tert-butyl [2- (phenyl)propyl] ⁇ 3-[(2-oxoethyl)thio]propyl ⁇ carbamate (Example 43c), 300 mg) according to the method of Example 5e).
- the titled compound was prepared from (+/-)-tert-bntyl [2 ⁇ (phenyl)propyl] ⁇ 3-[(2- ⁇ [(2i?)-2- hydroxy-2-(4-hydroxy-2-oxo ⁇ 2,3-dihydro-l,3-benzothiazol-7- yl)ethyl]amino ⁇ ethyl)thio]propyl ⁇ carbamate (Example 43d), 175 mg) by dissolving it in dioxan (6 ml) and treating the solution with 4M HCl in dioxan (2.5 ml) with stirring at room temperature for 18 hours. The resultant precipitate was collected by filtration to yield the titled compound (84 mg).
- the sub-titled compound was prepared from (R)-(+)-fert-butyl [2- (phenyl)propyl]carbamate (5.2 g) according to the method of Example 13a).
- the crude product was purified flash chromatography on silica gel, eluting with 5% ethyl acetate in iso-hexane to yield the sub-titled compound (4.2 g).
- the sub-titled compound was prepared from (R)-(+)-fert-butyl allyl[2-
- the sub-titled compound was prepared from (R)-(+)-tert-buty ⁇ [2-(phenyl)propyl] ⁇ 3-[(2- hydroxyethyl)thio]propyl ⁇ carbamate (Example 45b), 1000 mg) according to the method of 2 o Example 17c).
- the crude product was purified flash chromatography on silica gel, eluting with 20% ethyl acetate in iso-hexane to yield the sub-titled compound (800 mg). m/e 252 ((M-BOC)+H+, 100%)
- the titled compound was prepared from 7-[(li?)-2-Amino-l-hydroxyethyl]-4-hydroxy-l,3- benzothiazol-2(3H)-one hydrochloride (Example 4b), 160 mg) and (R)-(+)-ferf-butyl [2- (phenyl)propyl] ⁇ 3-[(2-oxoethyl)thio]propyl ⁇ carbamate (Example 45c), 260 mg) according to the method of Example 5e).
- the titled compound was prepared from (R)-(+)-tert-buty ⁇ [2-(phenyl)propyl] ⁇ 3-[(2- ⁇ [(2iQ-2-hydroxy-2-(4-hydroxy-2-oxo-2,3 -dihydro- 1 ,3 -benzothiazol-7- 0 yl)ethyl]amino ⁇ ethyl)thio]propyl ⁇ carbamate (Example 45d), 63 mg) by dissolving it in dioxan (2 ml) and treating the solution with 4M HCl in dioxan (0.8 ml) with stirring at room temperature for 18 hours. The resultant precipitate was collected by filtration to yield the titled compound (25 mg).
- the sub-titled compound was prepared from (S)-(-)-tert-butyl [2-(phenyl)propyl]carbamate (4.8 g) according to the method of Example 13a).
- the crude product was purified flash chromatography on silica gel, eluting with 5% ethyl acetate in iso-hexane to yield the subtitled compound (4.2 g).
- the sub-titled compound was prepared from (S)-(-)-fert-butyl allyl[2- (phenyl)propyl] carbamate (Example 47a), 4.2 g) according to the method of Example 10a).
- the crude product was purified flash chromatography on silica gel, eluting with 50% ethyl acetate in iso-hexane to yield the sub-titled compound (3.4 g).
- the sub-titled compound was prepared from (S) ⁇ (-)-fert-butyl [2-(phenyl)propyl] ⁇ 3-[(2- hydroxyethyl)thio]propyl ⁇ carbamate (Example 47b), 500 mg) according to the method of Example 17c).
- the crude product was purified flash chromatography on silica gel, eluting with 20% ethyl acetate in iso-hexane to yield the sub-titled compound (350 mg). m/e 252 ((M-BOC)+H+, 100%)
- the titled compound was prepared from 7-[(li?)-2-Amino-l-hydroxyemyl]-4-hydroxy-l,3- benzothiazol-2(3H)-one hydrochloride (Example 4b), 150 mg) and (S)-(-)-tert ⁇ butyl [2- (phenyl)propyl] ⁇ 3 -[(2-oxoethyl)thio]propyl ⁇ carbamate (Example 47c), 250 mg) according to the method of Example 5e).
- the titled compound was prepared from (S)-(-)-fert-butyl [2-(phenyl)propyl] ⁇ 3-[(2- ⁇ [(2i?)-
- the sub-titled compound was prepared by dissolving tert-butyl [2-methyl-2- (phenyl)propyl] carbamate (3.5 g) in DMF (15 ml). Sodium hydride 60% in oil (0.68g) was rinsed with isohexane and then added to the solution and heated at 5OC for 2 hours to give a brown-red suspension. When cool, allyl bromide (1.9 ml) was added and the mixture was heated for a further 2 hours to complete the reaction. When cool,the mixture was quenched with brine and extracted with ethyl acetate (x 3) with the combined extracts dried with sodium sulfate to concentrated to give a brown oil. This crude product was purified by flash chromatography on silica gel, eluting with 5% ethyl acetate in iso-hexane to yield the sub-titled compound (2.80 g).
- the sub-titled compound was prepared from tert-butyl allyl[2-methyl-2- (phenyl)propyl] carbamate (Example 49a), 2.80 g) according to the method of Example 10a).
- the crude product was purified flash chromatography on silica gel, eluting with 50% ethyl acetate in iso-hexane to yield the sub-titled compound (1.9 g).
- the sub-titled compound was prepared from tert-hutyl [2-methyl-2-(phenyl)propyl] ⁇ 3-[(2- hydroxyethyl)thio]propyl ⁇ carbamate (Example 49b), 600 mg) according to the method of
- Example 17c The crude product was purified flash chromatography on silica gel, eluting with 20% ethyl acetate in iso-hexane to yield the sub-titled compound (300 mg). m/e 266 ((M-BOC)+H+, 100%)
- the titled compound was prepared from 7-[(li?)-2-Amino ⁇ l-hydroxyethyl]-4-hydroxy-l,3- benzothiazol-2(3H)-one hydrochloride (Example 4b), 150 mg) and tert-butyl [2-methyl-2- (phenyl)propyl] ⁇ 3-[(2-oxoethyl)thio]propyl ⁇ carbamate (Example 49c), 300 mg) according to the method of Example 5e).
- the titled compound was prepared from fert-butyl [2-methyl-2-(phenyl)propyl] ⁇ 3-[(2- ⁇ [(2 J R)-2-hydroxy-2-(4-hydroxy-2-oxo-2,3-dihydro-l,3-benzothiazol-7- . yl)ethyl]amino ⁇ ethyl)thio]propyl ⁇ carbamate (Example 49d), 60 mg) by dissolving it in dioxan (2 ml) and treating the solution with 4M HCl in dioxan (0.8 ml) with stirring at s room temperature for 18 hours. The resultant precipitate was collected by filtration to yield the titled compound (15 mg)
- H292 cells were grown in RPMI (Roswell Park Memorial Institute) medium containing, 10% (v/v) FBS (foetal bovine serum) and 2 roM L-glutamine. Cells were grown in 225cm2 flasks containing 25 mL media in a humidified incubator at 37°C, 5% CO 2 . Cells 0 were harvested from Hie flask and passaged at a 1 in 10 dilution once per week.
- RPMI Roswell Park Memorial Institute
- the culture media was removed, washed twice 0 with 100 ⁇ L assay buffer and replaced with 50 ⁇ L assay buffer.
- Cells were rested at room temperature for 20 minutes after which time 25 ⁇ L of rolipram (1.2 mM made up in assay buffer containing 2.4% (v/v) dimethylsulphoxide) was added.
- Cells were incubated with rolipram for 10 minutes after which time test compounds (made up as x4 concentrated stocks in assay buffer containing 4% (v/v) dimethylsulphoxide) were added and the cells were incubated for 10 minutes at room temperature.
- Final rolipram concentration in the assay was 300 ⁇ M and final vehicle concentration was 1.6% (v/v) dimethylsulphoxide.
- the reaction was stopped by removing supernatants, washing once with 100 ⁇ L assay buffer and replacing with 50 ⁇ L lysis buffer.
- the cell monolayer was frozen at -80°C for 30 minutes (or overnight).
- the concentration of cAMP (cyclic adenosine monophosphate) in the cell lysate was determined using the AlphaScreenTM methodology.
- the frozen cell plate was thawed for 20 minutes on a plate shaker then 10 ⁇ L of the cell lysate was transferred to a 96-well white plate.
- 40 ⁇ L of mixed AlphaScreenTM detection beads containing equal volumes of donor beads (pre-incubated with biotinylated cAMP in the dark for 30 minutes) and acceptor beads, was added to each well and the plate incubated at room temperature for 10 hours in the dark.
- the AlphaScreenTM signal was measured using an EnVision spectrophotometer (Perkin-Elmer Inc.) with the recommended manufacturer's settings.
- cAMP concentrations were determined by reference to a calibration curve determined in the same experiment using standard cAMP concentrations (made up in lysis buffer in a 96- well tissure-culture-treated plate and frozen/thawed alongside the test samples) and detected using the same protocol.
- Concentration response curves for agonists were constructed to determine both the pEC 50 and Intrinsic Activity. Intrinsic Activity was expressed as a fraction relative to the maximum activity determined for formoterol in each experiment. The results obtained for a representative selection of the compounds of the Examples are shown in Table 1 below. Table 1
- H292 cells were grown in 225cm2 flasks incubator at 37°C, 5% CO 2 in RPMI medium containing, 10% (v/v) FBS (foetal bovine serum) and 2 mM L-glutamine.
- Adherent H292 cells were removed from tissue culture flasks by treatment with AccutaseTM cell detachment solution for 15 minutes. Flasks were incubated for 15 minutes in a humidified incubator at 37°C, 5% CO 2 . Detached cells were re-suspended in RPMI media (containing 10% (v/v) FBS and 2 mM L-glutamine) at 0.05 x 10 6 cells per mL. 5000 cells in 100 ⁇ L were added to each well of a tissue-culture-treated 96-well plate and the cells incubated overnight in a humidified incubator at 37 0 C, 5% CO 2 .
- the culture media was removed and cells were washed twice with 100 ⁇ L assay buffer and replaced with 50 ⁇ L assay buffer (HBSS solution containing 1OmM HEPES ⁇ H7.4 and 5 mM glucose). Cells were rested at room temperature for 20 minutes after which time 25 ⁇ L of rolipram (1.2 mM made up in assay buffer containing 2.4% (v/v) dimethylsulphoxide) was added. Cells were incubated with rolipram for 10 minutes after which time test compounds were added and the cells were incubated for 60 minutes at room temperature. The final rolipram concentration in the assay was 300 ⁇ M and final vehicle concentration was 1.6% (v/v) dimethylsulphoxide. The reaction was stopped by removing supernatants, washing once with 100 ⁇ L assay buffer and replacing with 50 ⁇ L lysis buffer. The cell monolayer was frozen at -8O 0 C for 30 minutes (or overnight).
- AlphaScreenTM cAMP detection The concentration of cAMP (cyclic adenosine monophosphate) in the cell lysate was determined using AlphaScreenTM methodology. The frozen cell plate was thawed for 20 minutes on a plate shaker then 10 ⁇ L of the cell lysate was transferred to a 96-well white plate. 40 ⁇ L of mixed AlphaScreenTM detection beads pre-incubated with biotinylated cAMP, was added to each well and the plate incubated at room temperature for 10 hours in the dark. The AlphaScreenTM signal was measured using an En Vision spectrophotometer (Perkin-Elmer Inc.) with the recommended manufacturer's settings.
- En Vision spectrophotometer Perkin-Elmer Inc.
- cAMP concentrations were determined by reference to a calibration curve determined in the same experiment using standard cAMP concentrations.
- Concentration response curves for agonists were constructed and data was fitted to a four parameter logistic equation to determine both the pEC 5 o and Intrinsic Activity.
- Intrinsic Activity was expressed as a fraction relative to the maximum activity determined for formoterol in each experiment. Results for compounds of the invention are to be found in Table 2.
- Membranes were prepared from human embryonic kidney 293 (HEK293) cells expressing recombinant human ⁇ lp receptor. These were diluted in Assay Buffer (5OmM HEPES, ImM EDTA, 0.1% gelatin, pH 7.4) to provide a final concentration of membranes that gave a clear window between maximum and minimum specific binding.
- Assay Buffer 5OmM HEPES, ImM EDTA, 0.1% gelatin, pH 7.4
- the plates were incubated for 2 hours at room temperature and then filtered onto PEI coated GF/B filter plates, pre-soaked for 1 hour in Assay Buffer, using a 96-well plate Tomtec cell harvester. Five washes with 250 ⁇ L wash buffer (5OmM HEPES, ImM EDTA, pH 7.4) were performed at 4°C to remove unbound radioactivity. The plates were dried then sealed from underneath using Packard plate sealers and MicroScint-0 (50 ⁇ L) was added to each well. The plates were sealed (TopSeal A) and filter-bound radioactivity was measured with a scintillation counter (TopCount, Packard BioScience) using a 3-minute counting protocol.
- wash buffer 250 ⁇ L wash buffer
- MicroScint-0 50 ⁇ L
- Membranes containing recombinant human adrenergic beta 1 receptors were obtained from Euroscreen. These were diluted in Assay Buffer (5OmM HEPES, ImM EDTA, 12OmM NaCl, 0.1% gelatin, pH 7.4) to provide a final concentration of membranes that gave a clear window between maximum and minimum specific binding.
- Assay Buffer 5OmM HEPES, ImM EDTA, 12OmM NaCl, 0.1% gelatin, pH 7.4
- Iodocyanopindolol (0.036 nM final concentration) and 10 ⁇ L of test compound (10x final concentration) were added to each test well.
- 10 ⁇ L vehicle (10% (v/v) DMSO in Assay Buffer; defining maximum binding) or 10 ⁇ L Propranolol (10 ⁇ M final concentration; defining non-specific binding (NSB)).
- Membranes were then added to achieve a final volume of 100 ⁇ L.
- the plates were incubated for 2 hours at room temperature and then filtered onto PEI coated GF/B filter plates, pre-soaked for 1 hour in Assay Buffer, using a 96-well plate Tomtec cell harvester. Five washes with 250 ⁇ L wash buffer (5OmM HEPES, ImM EDTA, 12OmM NaCl, pH 7.4) were performed at 4 0 C to remove unbound radioactivity. The plates were dried then sealed from underneath using Packard plate sealers and MicroScint-0 (50 ⁇ L) was added to each well. The plates were sealed (TopSeal A) and filter-bound radioactivity was measured with a scintillation counter (TopCount, Packard BioScience) using a 3 -minute counting protocol.
- a scintillation counter TopCount, Packard BioScience
- B 0 Total specific binding was determined by subtracting the mean NSB from the mean maximum binding. NSB values were also subtracted from values from all other wells. These data were expressed as percent of B 0 .
- Compound concentration-effect curves (inhibition of [ 125 I]-Iodocyanopindolol binding) were determined using serial dilutions typically in the range 0.1 nM to 10 ⁇ M. Data was fitted to a four parameter logistic equation to determine the compound potency, which was expressed as pICso (negative log molar concentration inducing 50% inhibition of [ 125 I]-Iodocyanopindolol binding). Results are shown in Table 2 below.
- Membranes containing recombinant human Dopamine Subtype D2s receptors were obtained from Perkin Elmer. These were diluted in Assay Buffer (5OmM HEPES, ImM EDTA, 12OmM NaCl, 0.1% gelatin, pH 7.4) to provide a final concentration of membranes that gave a clear window between maximum and minimum specific binding.
- Assay Buffer 5OmM HEPES, ImM EDTA, 12OmM NaCl, 0.1% gelatin, pH 7.4
- Assays were performed in U-bottomed 96-well polypropylene plates. 30 ⁇ L [ 3 H]- spiperone (0.16 nM final concentration) and 30 ⁇ L of test compound (1Ox final concentration) were added to each test well. For each assay plate 8 replicates were obtained for [ 3 H] -spiperone binding in the presence of 30 ⁇ L vehicle (10% (v/v) DMSO in Assay Buffer; defining maximum binding) or 30 ⁇ L Haloperidol (10 ⁇ M final concentration; defining non-specific binding (NSB)). Membranes were then added to achieve a final volume of 300 ⁇ L.
- vehicle % (v/v) DMSO in Assay Buffer; defining maximum binding
- 30 ⁇ L Haloperidol (10 ⁇ M final concentration; defining non-specific binding (NSB)
- the plates were incubated for 2 hours at room temperature and then filtered onto PEI coated GF/B filter plates, pre-soaked for 1 hour in Assay Buffer, using a 96-well plate Tomtec cell harvester. Five washes with 250 ⁇ L wash buffer (5OmM HEPES, ImM EDTA, 12OmM NaCl, pH 7.4) were performed at 4°C to remove unbound radioactivity. The plates were dried then sealed from underneath using Packard plate sealers and MicroScint-0 (50 ⁇ L) was added to each well. The plates were sealed (TopSeal A) and filter-bound radioactivity was measured with a scintillation counter (TopCount, Packard BioScience) using a 3-minute counting protocol.
- a scintillation counter TopCount, Packard BioScience
- B 0 Total specific binding (B 0 ) was determined by subtracting the mean NSB from the mean maximum binding. NSB values were also subtracted from values from all other wells. These data were expressed as percent of B 0 .
- Compound concentration-effect curves (inhibition of [ 3 H] -spiperone binding) were determined using serial dilutions typically in the range 0.1 nM to 10 ⁇ M. Data was fitted to a four parameter logistic equation to determine the compound potency, which was expressed as ⁇ IC 50 (negative log molar concentration inducing 50% inhibition of [ 3 H]-spiperone binding).
- Dunkin-Hartley guinea-pigs (between 200 g and 300 g on delivery) were supplied by a designated breeding establishment. The guinea-pigs were killed by cervical dislocation and the trachea removed. The adherent connective tissue was removed and each trachea cut into four rings. The tissue rings were then attached to an isometric transducer. The tissues were washed and a force of 1 g was applied to each ring. In all experiments a paired curve design was used. A priming dose of 1 ⁇ M methacholine was applied to the tissues. The tissues were then washed (three times, one minute between washes), the resting tension of Ig was reapplied and the tissues were allowed to rest for 1 hour to equilibrate.
- Tissues were then contracted with 1 ⁇ M methacholine and once a steady response was obtained a cumulative concentration response curve to isoprenaline (10 "9 M - 10 "5 M) was constructed.
- the tissues were then washed (three times, one minute between washes) and left to rest for an hour. At the end of the resting period the tissues were contracted with 1 ⁇ M methacholine and a p[A] 50 concentration of test compound added. Once the tissue had reached maximum relaxation, a 30 x ⁇ [A] 50 concentration of test compound was added. Once the tissue response had reached a plateau, 10 ⁇ M sotalol was added to the bath to confirm that the relaxation was ⁇ 2 mediated
- E and [A] are the pharmacological effect (% relaxation) and concentration of the agonist respectively; ⁇ , ⁇ , [A] 50 and m are the asymptote, baseline, location and slope parameters, respectively.
- the p[A] 50 and IA of each isoprenaline curve was determined from this fit, to determine if the tissue was viable for generating an onset time for the test compounds.
- the response was calculated as % relaxation of the methacholine-induced contraction. The results were plotted % relaxation against time and the time taken to reach a 90% relaxation value was calculated and recorded.
- a dose solution of the test compound was prepared using a suitable dose vehicle.
- the concentration of the compound in the dose solution was assayed by diluting an aliquot to a nominal concentration of SO ⁇ g-ml "1 and calibrating against duplicate injections of a standard solution and a QC standard at this concentration.
- Compounds were administered intravenously as a bolus into a caudal vein to groups of three 250-35Og rats (approximately 1 ml-kg " ).
- a separate group of 2 or 3 animals were dosed by oral gavage (3 ml-kg "1 ). Delivered doses were estimated by weight loss. Food was not usually withdrawn from animals prior to dosing, although this effect was investigated if necessary.
- Blood samples (0.25ml) were taken into ImI syringes from the caudal vein, transferred to EDTA tubes and plasma was prepared by centrifugation (5 min at 13000rpm) soon after sample collection, before storage at -2O 0 C. Typical sampling times were 2, 4, 8, 15, 30, 60, 120, 180, 240, 300 (min) or until the terminal tl/2 was accurately described.
- the concentration of the analyte(s) were determined in plasma by quantitative mass spectrometry.
- Standard and quality control stock solutions were prepared at a concentration lmg/ml in methanol.
- a range of standard and QC stocks produced by serial dilution were added to control rat plasma (50 ⁇ l).
- the range of concentrations covered the range of levels of analyte present in the rat samples.
- Standards, QCs and samples underwent liquid extraction using 50 ⁇ l of organic solvent and lOO ⁇ l of organic solvent containing an internal standard, chosen to closely resemble the analyte.
- the samples were then mixed by repeated inversion, stored at -2O 0 C for at least 1 h, and centrifuged at 3500 rpm in a centrifuge for 20 minutes. Aliquots (120 ⁇ l) of each sample were transferred for analysis using LC-MSMS.
- Standard and quality control samples covering the range of concentrations found in the test samples were within 25 % of the nominal concentration.
- Pharmacokinetic data analysis was achieved using WinNonlin.
- a standard non- compartmental analysis was used to estimate the parameters such as Tmax, Cmax, Lambda_z, tl/2_Lambda_z, AUCaIl, AUCINF(observed), Cl(observed), Vss(observed).
Abstract
Description
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AU2006285448A AU2006285448A1 (en) | 2005-08-29 | 2006-08-28 | 7-(2-amino-1-hydroxy-ethyl)-4-hydroxybenzothiazol-2(3H)-one-derivatives as beta2 adrenoceptor agonists |
US12/065,160 US20090221653A1 (en) | 2005-08-29 | 2006-08-28 | 7-(2-amino-1-hydroxy-ethyl)-4-hydroxybenzothiazol-2(3H)-one-derivatives as beta2 adrenoreceptor agonists |
JP2008528984A JP2009507788A (en) | 2005-08-29 | 2006-08-28 | 7- (2-Amino-1-hydroxy-ethyl) -4-hydroxybenzothiazol-2 (3H) -one-derivatives as β2 adrenergic receptor agonists |
CA002620466A CA2620466A1 (en) | 2005-08-29 | 2006-08-28 | 7-(2-amino-1-hydroxy-ethyl)-4-hydroxybenzothiazol-2(3h)-one-derivatives as .beta.2 adrenoceptor agonists |
BRPI0615101-9A BRPI0615101A2 (en) | 2005-08-29 | 2006-08-28 | 7- (2-amino-1-hydroxy-ethyl) -4-hydroxybenzothiazole-2- (3h) -one derivatives as ß2 adrenoceptor agonists |
EP06784115A EP1937656A4 (en) | 2005-08-29 | 2006-08-28 | 7-(2-amino-1-hydroxy-ethyl)-4-hydroxybenzothiazol-2(3h)-one-derivatives as beta 2 adrenoceptor agonists |
IL189434A IL189434A0 (en) | 2005-08-29 | 2008-02-11 | 7-(2-amino-1-hydroxy-ethyl)-4-hydroxybenzothiazol-2(3h)-one-derivatives as ??2 adrenoceptor agonists |
NO20081479A NO20081479L (en) | 2005-08-29 | 2008-03-26 | 7- (2-Amino-1-hydroxyethyl) -4-hydroxybenzothiazole-2 (3H) -ondonates as beta2-adrenoceptor agonists |
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- 2006-08-28 KR KR1020087004794A patent/KR20080038373A/en not_active Application Discontinuation
- 2006-08-28 CA CA002620466A patent/CA2620466A1/en not_active Abandoned
- 2006-08-28 UY UY29767A patent/UY29767A1/en not_active Application Discontinuation
- 2006-08-28 US US12/065,160 patent/US20090221653A1/en not_active Abandoned
- 2006-08-28 BR BRPI0615101-9A patent/BRPI0615101A2/en not_active IP Right Cessation
- 2006-08-28 JP JP2008528984A patent/JP2009507788A/en not_active Withdrawn
- 2006-08-28 EP EP06784115A patent/EP1937656A4/en not_active Withdrawn
- 2006-08-28 AU AU2006285448A patent/AU2006285448A1/en not_active Abandoned
- 2006-08-28 WO PCT/SE2006/000981 patent/WO2007027134A1/en active Application Filing
- 2006-08-28 RU RU2008110917/04A patent/RU2406723C9/en not_active IP Right Cessation
- 2006-08-29 AR ARP060103747A patent/AR055401A1/en unknown
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Also Published As
Publication number | Publication date |
---|---|
EP1937656A1 (en) | 2008-07-02 |
AU2006285448A1 (en) | 2007-03-08 |
RU2406723C9 (en) | 2011-03-10 |
UY29767A1 (en) | 2007-03-30 |
BRPI0615101A2 (en) | 2011-05-03 |
ECSP088288A (en) | 2008-04-28 |
RU2008110917A (en) | 2009-10-10 |
JP2009507788A (en) | 2009-02-26 |
CA2620466A1 (en) | 2007-03-08 |
NO20081479L (en) | 2008-05-16 |
KR20080038373A (en) | 2008-05-06 |
IL189434A0 (en) | 2008-06-05 |
AR055401A1 (en) | 2007-08-22 |
TW200738659A (en) | 2007-10-16 |
EP1937656A4 (en) | 2010-05-05 |
RU2406723C2 (en) | 2010-12-20 |
US20090221653A1 (en) | 2009-09-03 |
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